Wintergatan – Marble Machine
An evening pause: The video describing how they built this is as interesting to watch.
Hat tips to Tom Biggar and Karla Zajac.
Scroll down to read the most recent posts.
Please consider supporting my work here at Behind the Black. I keep the website clean from pop-ups and annoying demands. Instead, I depend entirely on my readers to support me. Though this means I am sacrificing some income, it also means that I remain entirely independent from outside pressure. By depending solely on donations and subscriptions from my readers, no one can threaten me with censorship. You don't like what I write, you can simply go elsewhere.
You can support me either by giving a one-time contribution or a regular subscription. There are five ways of doing so:
1. Zelle: This is the only internet method that charges no fees. All you have to do is use the Zelle link at your internet bank and give my name and email address (zimmerman at nasw dot org). What you donate is what I get.
2. Patreon: Go to my website there and pick one of five monthly subscription amounts, or by making a one-time donation.
3. A Paypal Donation:
5. Donate by check, payable to Robert Zimmerman and mailed to
Behind The Black
c/o Robert Zimmerman
P.O.Box 1262
Cortaro, AZ 85652
You can also support me by buying one of my books, as noted in the boxes interspersed throughout the webpage or shown in the menu above. And if you buy the books through the ebookit links, I get a larger cut and I get it sooner.
Pluto 8 months after fly-by
The New Horizons science team today published five papers summarizing what they have so far learned from the data obtained during last year’s July 14 fly-by and since downloaded.
Two of the many discoveries are to me the most interesting: The first illustrates Pluto’s strange and very active geology:
Age-dating of Pluto’s surface through crater counts has revealed that Pluto has been geologically active throughout the past 4 billion years. Further, the surface of Pluto’s informally named Sputnik Planum, a massive ice plain larger than Texas, is devoid of any detectable craters and estimated to be geologically young – no more than 10 million years old.
Moreover, the materials that cause Pluto to be geologically active are much more complicated than anything on Earth:
Scientists studying Pluto’s composition say the diversity of the planet’s landscape stems from eons of interaction between highly volatile and mobile methane, nitrogen and carbon monoxide ices with inert and sturdy water ice. “We see variations in the distribution of Pluto’s volatile ices that point to fascinating cycles of evaporation and condensation,” said Will Grundy, from Lowell Observatory in Flagstaff, Arizona, and lead author of the composition paper. “These cycles are a lot richer than on Earth, where there’s really only one material that condenses and evaporates – water. On Pluto, there are least three materials, and while they interact in ways we don’t yet fully understand, we definitely see their effects all across Pluto’s surface.”
The second discovery that fascinates me has to do with the formation of Pluto and all its moons:
The high albedos (reflectiveness) of Pluto’s small satellites are entirely different from the much lower albedos of the small bodies in the general Kuiper Belt population (which range from about 5 to 20 percent). This difference lends further support to the idea that these satellites were not captured from the general Kuiper Belt population, but instead formed by agglomeration in a disk of material produced in the aftermath of the giant collision that created the entire Pluto satellite system.
In other words, Pluto and its moons are not a collection of different Kuiper Belt objects brought together over time. Instead, they formed together.
The New Horizons science team today published five papers summarizing what they have so far learned from the data obtained during last year’s July 14 fly-by and since downloaded.
Two of the many discoveries are to me the most interesting: The first illustrates Pluto’s strange and very active geology:
Age-dating of Pluto’s surface through crater counts has revealed that Pluto has been geologically active throughout the past 4 billion years. Further, the surface of Pluto’s informally named Sputnik Planum, a massive ice plain larger than Texas, is devoid of any detectable craters and estimated to be geologically young – no more than 10 million years old.
Moreover, the materials that cause Pluto to be geologically active are much more complicated than anything on Earth:
Scientists studying Pluto’s composition say the diversity of the planet’s landscape stems from eons of interaction between highly volatile and mobile methane, nitrogen and carbon monoxide ices with inert and sturdy water ice. “We see variations in the distribution of Pluto’s volatile ices that point to fascinating cycles of evaporation and condensation,” said Will Grundy, from Lowell Observatory in Flagstaff, Arizona, and lead author of the composition paper. “These cycles are a lot richer than on Earth, where there’s really only one material that condenses and evaporates – water. On Pluto, there are least three materials, and while they interact in ways we don’t yet fully understand, we definitely see their effects all across Pluto’s surface.”
The second discovery that fascinates me has to do with the formation of Pluto and all its moons:
The high albedos (reflectiveness) of Pluto’s small satellites are entirely different from the much lower albedos of the small bodies in the general Kuiper Belt population (which range from about 5 to 20 percent). This difference lends further support to the idea that these satellites were not captured from the general Kuiper Belt population, but instead formed by agglomeration in a disk of material produced in the aftermath of the giant collision that created the entire Pluto satellite system.
In other words, Pluto and its moons are not a collection of different Kuiper Belt objects brought together over time. Instead, they formed together.
Now available in hardback and paperback as well as ebook!
From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.
“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.
All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. All editions can also be purchased direct from the ebook publisher, ebookit, in which case you don't support the big tech companies and the author gets a bigger cut much sooner.
Autographed printed copies are also available at discount directly from the author (hardback $29.95; paperback $14.95; Shipping cost for either: $6.00). Just send an email to zimmerman @ nasw dot org.
Hubble finds unexpected crop of massive stars
The uncertainty of science: Using the Hubble Space Telescope astronomers have discovered nine new massive stars inside the galactic cluster R136, something that the theory of stellar evolution says shouldn’t be possible.
The uncertainty of science: Using the Hubble Space Telescope astronomers have discovered nine new massive stars inside the galactic cluster R136, something that the theory of stellar evolution says shouldn’t be possible.
Self-tightening shoelaces!
Science marches on! Nike has unveiled its first pair of shoes that has automatically tightening shoelaces.
The Nike HyperAdapt 1.0 features a sensor inside that detects a heel sliding in, causing the shoe to automatically tighten around the foot. Two buttons on the side then allow the wearer to manually tighten and loosen the shoe until they have themselves a snug fit.
According to Nike, this ability to change tension on the fly solves what is apparently a “typical” problem for athletes: distraction. It does so by allowing precise adjustments to eliminate tight tying and the slippage that results from loose laces. It also imagines a future where a sports shoe can sense the moment you need a tighter fit for a quick mid-game maneuver and adjusts itself accordingly.
Science marches on! Nike has unveiled its first pair of shoes that has automatically tightening shoelaces.
The Nike HyperAdapt 1.0 features a sensor inside that detects a heel sliding in, causing the shoe to automatically tighten around the foot. Two buttons on the side then allow the wearer to manually tighten and loosen the shoe until they have themselves a snug fit.
According to Nike, this ability to change tension on the fly solves what is apparently a “typical” problem for athletes: distraction. It does so by allowing precise adjustments to eliminate tight tying and the slippage that results from loose laces. It also imagines a future where a sports shoe can sense the moment you need a tighter fit for a quick mid-game maneuver and adjusts itself accordingly.
On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.
The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit. If you buy it from ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.
The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News
Virgin Galactic awards contract
The competition heats up: Virgin Galactic has awarded a contract to a Waco company to strengthen the wings of a 747 it intends to use the first stage for LauncherOne.
L-3’s work will make the left wing stout enough to support a rocket that would launch in flight from beneath the wing. This rocket would propel satellites into space for commercial and government customers. Company spokesman Lance Martin said that for confidentiality reasons he could not disclose the value of the contract or the length of the plane’s stay in Waco. He said performing work for Virgin Galactic and Branson should enhance L-3’s image, saying, “the customer speaks for itself.”
I suppose I should be excited by this, as it suggests that LauncherOne is moving forward. Considering Virgin Galactic’s history, however, I find myself sadly disinterested. I won’t get excited by this company again until they actually begin flying something.
The competition heats up: Virgin Galactic has awarded a contract to a Waco company to strengthen the wings of a 747 it intends to use the first stage for LauncherOne.
L-3’s work will make the left wing stout enough to support a rocket that would launch in flight from beneath the wing. This rocket would propel satellites into space for commercial and government customers. Company spokesman Lance Martin said that for confidentiality reasons he could not disclose the value of the contract or the length of the plane’s stay in Waco. He said performing work for Virgin Galactic and Branson should enhance L-3’s image, saying, “the customer speaks for itself.”
I suppose I should be excited by this, as it suggests that LauncherOne is moving forward. Considering Virgin Galactic’s history, however, I find myself sadly disinterested. I won’t get excited by this company again until they actually begin flying something.
ULA official resigns
In an update to the story last night about the head of ULA rejecting comments made by one of his chief engineers, that engineer has now resigned.
[Brett Tobey, formerly ULA vice president of engineering] resigned his position, effective immediately, ULA chief executive Tory Bruno said in a statement. ULA is a joint venture of Lockheed Martin Corp and Boeing. “The views, positions and inaccurate statements Mr. Tobey presented at his recent speaking engagement were not aligned with the direction of the company, my views, nor the views I expect from ULA leaders,” Bruno said in the statement.
In other words, we can’t have too much honesty here. There are games that Congress and ULA play with each other to justify the billions in subsidies the government gives ULA, and to note these games in a straightforward way is to note that the emperor has no clothes. We can’t have that.
I hope Tobey finds a job at SpaceX.
In an update to the story last night about the head of ULA rejecting comments made by one of his chief engineers, that engineer has now resigned.
[Brett Tobey, formerly ULA vice president of engineering] resigned his position, effective immediately, ULA chief executive Tory Bruno said in a statement. ULA is a joint venture of Lockheed Martin Corp and Boeing. “The views, positions and inaccurate statements Mr. Tobey presented at his recent speaking engagement were not aligned with the direction of the company, my views, nor the views I expect from ULA leaders,” Bruno said in the statement.
In other words, we can’t have too much honesty here. There are games that Congress and ULA play with each other to justify the billions in subsidies the government gives ULA, and to note these games in a straightforward way is to note that the emperor has no clothes. We can’t have that.
I hope Tobey finds a job at SpaceX.
There are now only 3 copies left of the now out-of-print hardback of Leaving Earth. The price for an autographed copy of this rare collector's item is now $150 (plus $5 shipping).
To get your copy while the getting is good, please send a $155 check (which includes $5 shipping) payable to Robert Zimmerman to
Behind The Black, c/o Robert Zimmerman
P.O.Box 1262
Cortaro, AZ 85652
Leaving Earth is also available as an inexpensive ebook!
Leaving Earth: Space Stations, Rival Superpowers, and the Quest for Interplanetary Travel, can be purchased as an ebook everywhere for only $3.99 (before discount) at amazon, Barnes & Noble, all ebook vendors, or direct from my ebook publisher, ebookit.
If you buy it from ebookit you don't support the big oppressive tech companies and I get a bigger cut much sooner.
Winner of the 2003 Eugene M. Emme Award of the American Astronautical Society.
"Leaving Earth is one of the best and certainly the most comprehensive summary of our drive into space that I have ever read. It will be invaluable to future scholars because it will tell them how the next chapter of human history opened." -- Arthur C. Clarke
March 16, 2016 Zimmerman/Batchelor podcast
Tonight’s podcast from the John Batchelor Show is embedded below the fold. Lots of good stuff, including my most recent take on SLS/Orion.
» Read more
Tonight’s podcast from the John Batchelor Show is embedded below the fold. Lots of good stuff, including my most recent take on SLS/Orion.
» Read more
ULA head rejects his engineer’s remarks about Aerojet Rocketdyne
The heat of competition: The head of ULA has disavowed his engineers’ remarks that plugged Blue Origin’s engine for the Atlas 5 while dissing Aeroject Rocketdyne’s.
The engineer was giving a talk at the University of Colorado this week where he made it pretty clear that ULA favors Blue Origin over Aerojet Rocketdyne, but had to make believe they were treating both companies equally in the competition to replace the Atlas 5’s Russian engines in order to keep the Air Force happy. Bruno is probably now doing some damage control, as the government still wants to justify the Aerojet Rocketdyne contract (whose only real purpose was as a government pork barrel jobs program). Considering all the money the Air Force and congressmen give to ULA, he has to keep them both happy. And telling the world that their Aerojet contract is a waste of government money is not a very good way to do this.
Nonetheless, he also admitted that Blue Origin is way ahead in development, and is thus most likely to win the competition anyway.
The heat of competition: The head of ULA has disavowed his engineers’ remarks that plugged Blue Origin’s engine for the Atlas 5 while dissing Aeroject Rocketdyne’s.
The engineer was giving a talk at the University of Colorado this week where he made it pretty clear that ULA favors Blue Origin over Aerojet Rocketdyne, but had to make believe they were treating both companies equally in the competition to replace the Atlas 5’s Russian engines in order to keep the Air Force happy. Bruno is probably now doing some damage control, as the government still wants to justify the Aerojet Rocketdyne contract (whose only real purpose was as a government pork barrel jobs program). Considering all the money the Air Force and congressmen give to ULA, he has to keep them both happy. And telling the world that their Aerojet contract is a waste of government money is not a very good way to do this.
Nonetheless, he also admitted that Blue Origin is way ahead in development, and is thus most likely to win the competition anyway.
Grace Slick & Jefferson Airplane – White Rabbit
Changes in Ceres’s white spots
The uncertainty of science: Ground-based observations of Ceres now suggest that the white spots imaged by Dawn undergo subtle unexpected variations
As Ceres rotates every 9 hours, HARPS is so sensitive that it can detect the very slight Doppler shift in spectrum frequency as the bright spots rotate toward and away Earth, but during observations for 2 nights in July and August 2015, more changes not related to Ceres’ spin were detected. “The result was a surprise,” said co-author Antonino Lanza, also from the INAF–Catania Astrophysical Observatory. “We did find the expected changes to the spectrum from the rotation of Ceres, but with considerable other variations from night to night.”
And it appears that these changes are consistent with some kind of volatile (ice) being exposed to sunlight and venting vapor into space, causing an increase in reflectivity. It seems that when Occator experiences solar heating, plumes are produced and then evaporate, creating a complex spectroscopic signal that evolves during that hemisphere’s daytime. This finding appears to be consistent with earlier observations made by Dawn showing a mysterious haze over Occator.
The problem with this theory is that it assumes the white spots are comprised of water ice. However, data from Dawn has instead suggested that the white spots are not water but salt deposits.
It could be that the white spots are salt left behind when water vented from inside Ceres evaporates away, but so far the data from Dawn has not found any evidence of water at the spots. If it was venting there, Dawn should have seen it.
The uncertainty of science: Ground-based observations of Ceres now suggest that the white spots imaged by Dawn undergo subtle unexpected variations
As Ceres rotates every 9 hours, HARPS is so sensitive that it can detect the very slight Doppler shift in spectrum frequency as the bright spots rotate toward and away Earth, but during observations for 2 nights in July and August 2015, more changes not related to Ceres’ spin were detected. “The result was a surprise,” said co-author Antonino Lanza, also from the INAF–Catania Astrophysical Observatory. “We did find the expected changes to the spectrum from the rotation of Ceres, but with considerable other variations from night to night.”
And it appears that these changes are consistent with some kind of volatile (ice) being exposed to sunlight and venting vapor into space, causing an increase in reflectivity. It seems that when Occator experiences solar heating, plumes are produced and then evaporate, creating a complex spectroscopic signal that evolves during that hemisphere’s daytime. This finding appears to be consistent with earlier observations made by Dawn showing a mysterious haze over Occator.
The problem with this theory is that it assumes the white spots are comprised of water ice. However, data from Dawn has instead suggested that the white spots are not water but salt deposits.
It could be that the white spots are salt left behind when water vented from inside Ceres evaporates away, but so far the data from Dawn has not found any evidence of water at the spots. If it was venting there, Dawn should have seen it.
Tea party Republican wins primary for John Boehner’s seat
A conservative tea party Republican has won the primary for former House Speaker John Boehner’s congressional seat.
If anything should tell the Republican leadership that they aren’t doing what the voters want, even more than the presidential campaign, it is this story. Boehner did nothing but show contempt for the tea party Freedom Caucus in the House, doing anything he could to block them. In the end, they were instrumental in getting him ousted. And as the article notes,
Davidson’s win Tuesday could give those [tea party] lawmakers reason to dig their heels in as things escalate. They can make their case to Republican leaders that, sure, putting their foot down on a proposed budget that increases spending might hinder Republicans’ goal of passing a budget on time. But what they’re doing is really in the interest of a growing number of Republican voters. Look no further than this highly symbolic seat they just won.
Even though I have serious doubts about Donald Trump’s conservatism, his rise is just another indication that the voters are pissed off at the leadership in Congress, from both parties. That leadership had better change its stripes soon, or it will find others taking their place, as has happened with John Boehner..
A conservative tea party Republican has won the primary for former House Speaker John Boehner’s congressional seat.
If anything should tell the Republican leadership that they aren’t doing what the voters want, even more than the presidential campaign, it is this story. Boehner did nothing but show contempt for the tea party Freedom Caucus in the House, doing anything he could to block them. In the end, they were instrumental in getting him ousted. And as the article notes,
Davidson’s win Tuesday could give those [tea party] lawmakers reason to dig their heels in as things escalate. They can make their case to Republican leaders that, sure, putting their foot down on a proposed budget that increases spending might hinder Republicans’ goal of passing a budget on time. But what they’re doing is really in the interest of a growing number of Republican voters. Look no further than this highly symbolic seat they just won.
Even though I have serious doubts about Donald Trump’s conservatism, his rise is just another indication that the voters are pissed off at the leadership in Congress, from both parties. That leadership had better change its stripes soon, or it will find others taking their place, as has happened with John Boehner..
Starting a fire in space, on purpose
Engineers plan to intentionally start fires in every Cygnus capsule heading for ISS this year, beginning with the next on Tuesday, but they will wait each time until the freighter has been docked, unloaded, and has left the station.
“The specific goals of the SAFFIRE experiments are to investigate the spread of a large-scale fire in microgravity, essentially trying to answer the questions of how large does a fire get and how rapidly does it spread, or how long does it take to get to the point of being really hazardous to the crew.”
NASA intends to run SAFFIRE experiments on three consecutive Cygnus spacecraft launching through the end of this year. The SAFFIRE 1 and 3 tests will use single samples 15.7 inches wide by 37 inches tall to watch the development and spread of a large-scale low-gravity fire. Scientists want to know if there is a limiting flame size and to quantify the size and growth rate of flames over large surfaces. “SAFFIRE is a box with a wind tunnel in it, a flow duct, that contains the sample that will be burned,” said Ruff. With two cameras poised to capture the fire, a hot wire along the upstream edge of the fiberglass-cotton fabric sample will trigger the burn that should last at least 15 or 20 minutes.
This is very clever, using the capsule as a fire test facility when it is on its way back to Earth to burn up in the atmosphere.
Engineers plan to intentionally start fires in every Cygnus capsule heading for ISS this year, beginning with the next on Tuesday, but they will wait each time until the freighter has been docked, unloaded, and has left the station.
“The specific goals of the SAFFIRE experiments are to investigate the spread of a large-scale fire in microgravity, essentially trying to answer the questions of how large does a fire get and how rapidly does it spread, or how long does it take to get to the point of being really hazardous to the crew.”
NASA intends to run SAFFIRE experiments on three consecutive Cygnus spacecraft launching through the end of this year. The SAFFIRE 1 and 3 tests will use single samples 15.7 inches wide by 37 inches tall to watch the development and spread of a large-scale low-gravity fire. Scientists want to know if there is a limiting flame size and to quantify the size and growth rate of flames over large surfaces. “SAFFIRE is a box with a wind tunnel in it, a flow duct, that contains the sample that will be burned,” said Ruff. With two cameras poised to capture the fire, a hot wire along the upstream edge of the fiberglass-cotton fabric sample will trigger the burn that should last at least 15 or 20 minutes.
This is very clever, using the capsule as a fire test facility when it is on its way back to Earth to burn up in the atmosphere.
High Diving Giraffes
An evening pause: Based on some emails I have received, I think some people have been fooled by this cool animation and actually think these are real giraffes! This just tells us that it will not be long now before real actors are no longer necessary and it will be possible to do live action films entirely with animation.
Hat tip George Petricko.
Conservatives to block gigantic budget plan
Good news: The conservative Freedom Caucus in the House is moving to block the new 10-year budget plan put forth by the Republican leadership.
And why you ask? The highlighted sentence below explains it all:
The fiscal blueprint, released Tuesday by Budget Committee Chairman Tom Price, R-Ga., relies on eliminating health care subsidies and other coverage provided by Obama’s health care law, sharp cuts to Medicaid, and reprises a plan devised by Ryan years ago that would transform Medicare into a voucher-like program for future retirees.
But as in past years, GOP leaders have no plans to implement the severe cuts recommended by nonbinding blueprint. [emphasis mine]
This budget plan is merely a tool to make us think they are cutting things, when they really have no intention of doing so. When they finally get down to writing the real budget the increases will be there, as will funding for Obamacare and many of Obama’s pet projects, as they have been in all the previous years since the Republicans took power in Congress.
Good news: The conservative Freedom Caucus in the House is moving to block the new 10-year budget plan put forth by the Republican leadership.
And why you ask? The highlighted sentence below explains it all:
The fiscal blueprint, released Tuesday by Budget Committee Chairman Tom Price, R-Ga., relies on eliminating health care subsidies and other coverage provided by Obama’s health care law, sharp cuts to Medicaid, and reprises a plan devised by Ryan years ago that would transform Medicare into a voucher-like program for future retirees.
But as in past years, GOP leaders have no plans to implement the severe cuts recommended by nonbinding blueprint. [emphasis mine]
This budget plan is merely a tool to make us think they are cutting things, when they really have no intention of doing so. When they finally get down to writing the real budget the increases will be there, as will funding for Obamacare and many of Obama’s pet projects, as they have been in all the previous years since the Republicans took power in Congress.
IRS given power to revoke passports
What could possibly go wrong? A new federal law, passed by a Republican Congress, gives the IRS the right to revoke your passport, even as another federal law will soon require many to use that passport for any airline travel, even within the United States.
What should happen is that both these laws should be repealed, now. Otherwise, I fully expect in the coming years that this new IRS power will be used to squelch opposition to those in power, just as the Obama administration used the IRS prior to the 2012 election to block conservatives from fighting his re-election.
What could possibly go wrong? A new federal law, passed by a Republican Congress, gives the IRS the right to revoke your passport, even as another federal law will soon require many to use that passport for any airline travel, even within the United States.
What should happen is that both these laws should be repealed, now. Otherwise, I fully expect in the coming years that this new IRS power will be used to squelch opposition to those in power, just as the Obama administration used the IRS prior to the 2012 election to block conservatives from fighting his re-election.
Another glorious Democratic leader speaks!
Dumb and dumber: In yesterdays Democratic townhall event, Democratic presidential candidate Hillary Clinton not only claimed that “we didn’t lose a single person” in the regime change in Libya, she seemed unaware that
ISIS is taking up blocs of territory in Libya now, too. So have al-Qaeda affiliates like Ansar al-Sharia — the group that sacked our Benghazi consulate nearly four years ago, thanks in large part to security decisions made by State under Hillary’s leadership. We didn’t give Libya a chance — we destroyed Libya, and left nothing but a viper pit of terror networks to replace it. And Hillary thinks this is a success story.
Be sure to watch the video of Clinton at the link, where she argues that the elections in Libya have worked, installing a moderate government. I guess it was that moderate government that killed our ambassador and three others in Benghazi four years ago.
Dumb and dumber: In yesterdays Democratic townhall event, Democratic presidential candidate Hillary Clinton not only claimed that “we didn’t lose a single person” in the regime change in Libya, she seemed unaware that
ISIS is taking up blocs of territory in Libya now, too. So have al-Qaeda affiliates like Ansar al-Sharia — the group that sacked our Benghazi consulate nearly four years ago, thanks in large part to security decisions made by State under Hillary’s leadership. We didn’t give Libya a chance — we destroyed Libya, and left nothing but a viper pit of terror networks to replace it. And Hillary thinks this is a success story.
Be sure to watch the video of Clinton at the link, where she argues that the elections in Libya have worked, installing a moderate government. I guess it was that moderate government that killed our ambassador and three others in Benghazi four years ago.
Obama shuts down oil exploration in Atlantic
Our lord and master: In a reversal the Obama administration has announced that it will ban all oil exploration in the Atlantic for the next five years.
Makes sense to me. By putting the squeeze on American oil companies it will force American industry to increase its dependence on the Arab oil barons, thus sending more of our wealth to the Islamic world. Moreover, this action will be very effective in further weakening the struggling American economy.
Our lord and master: In a reversal the Obama administration has announced that it will ban all oil exploration in the Atlantic for the next five years.
Makes sense to me. By putting the squeeze on American oil companies it will force American industry to increase its dependence on the Arab oil barons, thus sending more of our wealth to the Islamic world. Moreover, this action will be very effective in further weakening the struggling American economy.
Curiosity reaches Naukluft Plateau
Apropos to my post yesterday on Curiosity’s journey on Mars, the rover this week reached the flat area the science team has dubbed Naukluff Plateau.
The Sol 1281 drive completed as planned, crossing the Murray/Stimson contact at the edge of the Naukluft plateau. Now that we have a better view of the plateau, we are ready to start driving across it. But first, ChemCam and Mastcam will observe targets “Orupembe” and “Witvlei” on the bedrock in front of the rover. Mastcam will also take pictures of the rocks in front of the rover and targets “Natab East” and “Natab West” on either side of the vehicle before the Sol 1282 drive. After the drive, in addition to the usual post-drive imaging, the Left Mastcam will acquire a full 360-degree panorama, as the view from the new location (near the left edge of the image above) is expected to be good. We are looking forward to seeing the new data!
The second link above leads to the rover’s daily update site. It was here that the science team reported an issue with the rover’s scoop back in early February. Since then, however, they have never revealed if the problem was solved. Nor have they used the scoop in any way since then. I now wonder if it is no longer operational and am considering pursuing that question a bit to find out.
Apropos to my post yesterday on Curiosity’s journey on Mars, the rover this week reached the flat area the science team has dubbed Naukluff Plateau.
The Sol 1281 drive completed as planned, crossing the Murray/Stimson contact at the edge of the Naukluft plateau. Now that we have a better view of the plateau, we are ready to start driving across it. But first, ChemCam and Mastcam will observe targets “Orupembe” and “Witvlei” on the bedrock in front of the rover. Mastcam will also take pictures of the rocks in front of the rover and targets “Natab East” and “Natab West” on either side of the vehicle before the Sol 1282 drive. After the drive, in addition to the usual post-drive imaging, the Left Mastcam will acquire a full 360-degree panorama, as the view from the new location (near the left edge of the image above) is expected to be good. We are looking forward to seeing the new data!
The second link above leads to the rover’s daily update site. It was here that the science team reported an issue with the rover’s scoop back in early February. Since then, however, they have never revealed if the problem was solved. Nor have they used the scoop in any way since then. I now wonder if it is no longer operational and am considering pursuing that question a bit to find out.
China plans first commercial rocket company
The competition heats up: A Chinese company has announced plans to start a new commercial rocket company to compete for the burgeoning space launch market.
China Sanjiang Space Group Co. is preparing to enter the commercial-rocket business with a launch slated for 2017, Xinhua reported Tuesday, citing the company’s chief engineer Hu Shengyun. Some Internet companies have expressed interest in collaborating on commercial launches, Hu said.
The Kuaizhou-11, translated as “fast vessel,” rocket is being developed by the Fourth Academy of China Aerospace Science & Industry Corp., a major missile supplier to the People’s Liberation Army, according to China Daily.
There is not much information at the link. The rocket was first launched in 2013, but not much has been revealed about it since.
The competition heats up: A Chinese company has announced plans to start a new commercial rocket company to compete for the burgeoning space launch market.
China Sanjiang Space Group Co. is preparing to enter the commercial-rocket business with a launch slated for 2017, Xinhua reported Tuesday, citing the company’s chief engineer Hu Shengyun. Some Internet companies have expressed interest in collaborating on commercial launches, Hu said.
The Kuaizhou-11, translated as “fast vessel,” rocket is being developed by the Fourth Academy of China Aerospace Science & Industry Corp., a major missile supplier to the People’s Liberation Army, according to China Daily.
There is not much information at the link. The rocket was first launched in 2013, but not much has been revealed about it since.
What next for the computer Go program?
Link here.
The software uses neural networks to learn from experience. For example, to train for its Go match the computer program studied 30 million Go board positions from human games, then played itself again and again to improve its skills.
DeepMind’s founder and chief executive Demis Hassabis mentioned the possibility of training a version of AlphaGo using self-play alone, omitting the knowledge from human-expert games, at a conference last month. The firm created a program that learned to play less complex arcade games in this manner in 2015. Without a head start, AlphaGo would probably take much longer to learn, says Bengio — and might never beat the best human. But it’s an important step, he says, because humans learn with such little guidance.
DeepMind, based in London, also plans to venture beyond games. In February the company founded DeepMind Health and launched a collaboration with the UK National Health Service: its algorithms could eventually be applied to clinical data to improve diagnoses or treatment plans. Such applications pose different challenges from games, says Oren Etzioni, chief executive of the non-profit Allen Institute for Artificial Intelligence in Seattle, Washington. “The universal thing about games is that you can collect an arbitrary amount of data,” he says — and that the program is constantly getting feedback on what’s a good or bad move by playing many games. But, in the messy real world, data — on rare diseases, say — might be scarcer, and even with common diseases, labelling the consequences of a decision as ‘good’ or ‘bad’ may not be straightforward.
Hassabis has said that DeepMind’s algorithms could give smartphone personal assistants a deeper understanding of users’ requests. And AI researchers see parallels between human dialogue and games: “Each person is making a play, and we have a sequence of turns, and each of us has an objective,” says Bengio. But they also caution that language and human interaction involve a lot more uncertainty.
Link here.
The software uses neural networks to learn from experience. For example, to train for its Go match the computer program studied 30 million Go board positions from human games, then played itself again and again to improve its skills.
DeepMind’s founder and chief executive Demis Hassabis mentioned the possibility of training a version of AlphaGo using self-play alone, omitting the knowledge from human-expert games, at a conference last month. The firm created a program that learned to play less complex arcade games in this manner in 2015. Without a head start, AlphaGo would probably take much longer to learn, says Bengio — and might never beat the best human. But it’s an important step, he says, because humans learn with such little guidance.
DeepMind, based in London, also plans to venture beyond games. In February the company founded DeepMind Health and launched a collaboration with the UK National Health Service: its algorithms could eventually be applied to clinical data to improve diagnoses or treatment plans. Such applications pose different challenges from games, says Oren Etzioni, chief executive of the non-profit Allen Institute for Artificial Intelligence in Seattle, Washington. “The universal thing about games is that you can collect an arbitrary amount of data,” he says — and that the program is constantly getting feedback on what’s a good or bad move by playing many games. But, in the messy real world, data — on rare diseases, say — might be scarcer, and even with common diseases, labelling the consequences of a decision as ‘good’ or ‘bad’ may not be straightforward.
Hassabis has said that DeepMind’s algorithms could give smartphone personal assistants a deeper understanding of users’ requests. And AI researchers see parallels between human dialogue and games: “Each person is making a play, and we have a sequence of turns, and each of us has an objective,” says Bengio. But they also caution that language and human interaction involve a lot more uncertainty.
Fifteen-year-old pilot wins 250K at drone race
A fifteen year old has taken the top prize in the first World Drone Prix, held in Dubai on March 11 and 12.
Some 150 teams, hailing from all around the globe, started out in the World Drone Prix. Entrants were able to remotely qualify for the event via an American Idol-style submission video. Then, at an indoor qualifying track at Skydive Dubai, this number was whittled down to 32. The field then pitted their drones against one another on an outdoor, 591-m (646-yd) race track. The illuminated course tempts the more audacious competitors with Mario Kart-style shortcuts and makes for quite a spectacular setting with Dubai’s towering skyline in the background.
The 32 was cut down to a round of 16, followed by semi finals and then a grand finale on Saturday night. Bannister’s Tornado X-Blades Banni UK team claimed first place in the final, beating out Dubai Drone Tek, VS Meshcheriakov and Dutch Drone Race Team SQG , whose hauls of $125,000, $50,000 and $25,000, respectively, aren’t exactly pocket change either. By way of comparison, and to demonstrate how the sport has exploded in popularity, last year’s inaugural US Drone Racing National Championship offered a total purse of $25,000.
Be sure to check out the video at the link.
A fifteen year old has taken the top prize in the first World Drone Prix, held in Dubai on March 11 and 12.
Some 150 teams, hailing from all around the globe, started out in the World Drone Prix. Entrants were able to remotely qualify for the event via an American Idol-style submission video. Then, at an indoor qualifying track at Skydive Dubai, this number was whittled down to 32. The field then pitted their drones against one another on an outdoor, 591-m (646-yd) race track. The illuminated course tempts the more audacious competitors with Mario Kart-style shortcuts and makes for quite a spectacular setting with Dubai’s towering skyline in the background.
The 32 was cut down to a round of 16, followed by semi finals and then a grand finale on Saturday night. Bannister’s Tornado X-Blades Banni UK team claimed first place in the final, beating out Dubai Drone Tek, VS Meshcheriakov and Dutch Drone Race Team SQG , whose hauls of $125,000, $50,000 and $25,000, respectively, aren’t exactly pocket change either. By way of comparison, and to demonstrate how the sport has exploded in popularity, last year’s inaugural US Drone Racing National Championship offered a total purse of $25,000.
Be sure to check out the video at the link.
Akatsuki to finally begin studying Venus
After a five year delay because its initial attempt to enter Venus orbit failed, the Japanese probe Akatsuki is finally about to begin science operations.
Its present orbit is less than ideal, passing 440,000km from the planet at its farthest point. That is roughly five times greater than initially planned and means the orbit time is now nine days. The change in orbit has affected the probe’s observation plan. Of its seven planned missions, Akatsuki will be able to complete only one: taking serial images of clouds. Unfortunately, the probe’s five cameras, each capturing images in different wavelengths, including infrared and ultraviolet, will not be able to provide the same resolution at this greater distance. Observing volcanic eruptions on the Venusian surface may also be difficult.
There is an upside to the situation, however. Takeshi Imamura, an associate professor at JAXA’s Institute of Space and Astronautical Science, says the longer orbital period means the probe will be able to collect longer continuous stretches of data.
Considering everything, it is magnificent that Akatsuki will be able to do any science at Venus at all.
After a five year delay because its initial attempt to enter Venus orbit failed, the Japanese probe Akatsuki is finally about to begin science operations.
Its present orbit is less than ideal, passing 440,000km from the planet at its farthest point. That is roughly five times greater than initially planned and means the orbit time is now nine days. The change in orbit has affected the probe’s observation plan. Of its seven planned missions, Akatsuki will be able to complete only one: taking serial images of clouds. Unfortunately, the probe’s five cameras, each capturing images in different wavelengths, including infrared and ultraviolet, will not be able to provide the same resolution at this greater distance. Observing volcanic eruptions on the Venusian surface may also be difficult.
There is an upside to the situation, however. Takeshi Imamura, an associate professor at JAXA’s Institute of Space and Astronautical Science, says the longer orbital period means the probe will be able to collect longer continuous stretches of data.
Considering everything, it is magnificent that Akatsuki will be able to do any science at Venus at all.
Hunting truffles in Oregon
Pinpointing Curiosity’s location in Gale Crater
The Curiosity science team recently released a new Mars Reconnaissance Orbiter image, showing Curiosity’s overall route since its landing on Mars in August 2012. I have posted a reduced version on the right.
Similarly, on the Curiosity website you can view this more detailed map of its traverse route. This map is updated regularly as Curiosity continues its climb up Mount Sharp.
Neither of these maps is to me very satisfying or useful, however. Neither shows the overall location of Curiosity within Gale Crater. Nor do they give one a sense of how far it is has come on its climb up the mountain. In fact, it is very unclear how close the rover actually is to the peak from either image.
Thus, I decided to do a little research to get some better context of Curiosity’s position and its overall journey.
» Read more
Iran to launch satellite?
Does this make you feel safer? Iran is preparing to launch a new ballistic missile capable of placing satellites in orbit.
The Simorgh rocket is a new development not seen previously. Its launch would also be a violation of a UN resolution forbidding Iran to do such research, but who cares about that? It wouldn’t be violation of the great deal Obama negotiated for us with Iran, a deal that they themselves never endorsed.
Does this make you feel safer? Iran is preparing to launch a new ballistic missile capable of placing satellites in orbit.
The Simorgh rocket is a new development not seen previously. Its launch would also be a violation of a UN resolution forbidding Iran to do such research, but who cares about that? It wouldn’t be violation of the great deal Obama negotiated for us with Iran, a deal that they themselves never endorsed.
Mathematicians discover pattern in prime numbers
The uncertainty of science: Mathematicians have discovered that, among the first billion prime numbers, there is a peculiar uneven distribution that is not random to the last digit of each prime.
[I]f the sequence were truly random, then a prime with 1 as its last digit should be followed by another prime ending in 1 one-quarter of the time. That’s because after the number 5, there are only four possibilities — 1, 3, 7 and 9 — for prime last digits. And these are, on average, equally represented among all primes, according to a theorem proved around the end of the nineteenth century, one of the results that underpin much of our understanding of the distribution of prime numbers. (Another is the prime number theorem, which quantifies how much rarer the primes become as numbers get larger.)
Instead, Lemke Oliver and Soundararajan saw that in the first billion primes, a 1 is followed by a 1 about 18% of the time, by a 3 or a 7 each 30% of the time, and by a 9 22% of the time. They found similar results when they started with primes that ended in 3, 7 or 9: variation, but with repeated last digits the least common. The bias persists but slowly decreases as numbers get larger.
As the article notes, this pattern does not appear to have any practical use, though it definitely fascinates everyone who hears about.
The uncertainty of science: Mathematicians have discovered that, among the first billion prime numbers, there is a peculiar uneven distribution that is not random to the last digit of each prime.
[I]f the sequence were truly random, then a prime with 1 as its last digit should be followed by another prime ending in 1 one-quarter of the time. That’s because after the number 5, there are only four possibilities — 1, 3, 7 and 9 — for prime last digits. And these are, on average, equally represented among all primes, according to a theorem proved around the end of the nineteenth century, one of the results that underpin much of our understanding of the distribution of prime numbers. (Another is the prime number theorem, which quantifies how much rarer the primes become as numbers get larger.)
Instead, Lemke Oliver and Soundararajan saw that in the first billion primes, a 1 is followed by a 1 about 18% of the time, by a 3 or a 7 each 30% of the time, and by a 9 22% of the time. They found similar results when they started with primes that ended in 3, 7 or 9: variation, but with repeated last digits the least common. The bias persists but slowly decreases as numbers get larger.
As the article notes, this pattern does not appear to have any practical use, though it definitely fascinates everyone who hears about.
ExoMars blasts off
The European-Russian Mars orbiter/lander ExoMars was successfully launched on a Proton rocket this morning from Baikonur.
It will still take most of today for the rocket’s Briz-M upper stage to complete several additional engine burns to send the spacecraft on its path to Mars, but the most difficult part of the launch has now passed.
The article does a nice job of summing up Russia’s most recent track record in trying to send spacecraft to Mars, thus illustrating the significance of today’s success:
For Russian scientists, the launch marks the resumption of a cooperative effort with Europe to explore the Solar System, after the failure of the Phobos-Grunt mission in 2011.The launch of the ExoMars-2016 spacecraft will be Proton’s first “interplanetary” assignment in almost two decades. During its previous attempt in November 1996, Proton’s upper stage failed, sending the precious Mars-96 spacecraft to a fiery desmise in the Earth’s atmosphere and effectively stalling Russia’s planetary exploration program for a generation.
Further in the past, during the Soviet era, the Russians tried numerous times to either orbit or land on Mars. Every mission failed. If this mission successfully reaches Mars and lands it will mark the first time the Russians played a major role in a mission to Mars that actually reached its goal and worked.
The European-Russian Mars orbiter/lander ExoMars was successfully launched on a Proton rocket this morning from Baikonur.
It will still take most of today for the rocket’s Briz-M upper stage to complete several additional engine burns to send the spacecraft on its path to Mars, but the most difficult part of the launch has now passed.
The article does a nice job of summing up Russia’s most recent track record in trying to send spacecraft to Mars, thus illustrating the significance of today’s success:
For Russian scientists, the launch marks the resumption of a cooperative effort with Europe to explore the Solar System, after the failure of the Phobos-Grunt mission in 2011.The launch of the ExoMars-2016 spacecraft will be Proton’s first “interplanetary” assignment in almost two decades. During its previous attempt in November 1996, Proton’s upper stage failed, sending the precious Mars-96 spacecraft to a fiery desmise in the Earth’s atmosphere and effectively stalling Russia’s planetary exploration program for a generation.
Further in the past, during the Soviet era, the Russians tried numerous times to either orbit or land on Mars. Every mission failed. If this mission successfully reaches Mars and lands it will mark the first time the Russians played a major role in a mission to Mars that actually reached its goal and worked.
It’s a sweep!
Google’s AlphaGo computer program today completed a three game sweep of Go professional champion Lee Sedol.
This might be the best quote from the article:
The algorithm seems to be holding back its power. Sometimes it plays moves that lose material because it is seeking simply to maximise its probability of reaching winning positions, rather than — as human players tend to do — maximise territorial gains. Jackson thinks that some of these odd-looking moves may have fooled Lee into underestimating the machine’s skills at the beginning of game 1 — which, I suppose, makes AlphaGo a kind of computerized hustler.
Google’s AlphaGo computer program today completed a three game sweep of Go professional champion Lee Sedol.
This might be the best quote from the article:
The algorithm seems to be holding back its power. Sometimes it plays moves that lose material because it is seeking simply to maximise its probability of reaching winning positions, rather than — as human players tend to do — maximise territorial gains. Jackson thinks that some of these odd-looking moves may have fooled Lee into underestimating the machine’s skills at the beginning of game 1 — which, I suppose, makes AlphaGo a kind of computerized hustler.
Russian Soyuz rocket launch aborted seconds before launch
A launch of a Russian Earth resource satellite was aborted today at T -0.
The information at the link suggests they will be able to try again when the launch window opens again tomorrow. This kind of launch abort is a rare thing for the Russians. Usually they scrub much earlier, or launch.
Update: As expected they successfully launched today, Sunday, with no problems.
A launch of a Russian Earth resource satellite was aborted today at T -0.
The information at the link suggests they will be able to try again when the launch window opens again tomorrow. This kind of launch abort is a rare thing for the Russians. Usually they scrub much earlier, or launch.
Update: As expected they successfully launched today, Sunday, with no problems.