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A transistor made from a single atom
Ancient computers still in use today, including punch cards, mainframes, and the first PCs.
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 print edition can be purchased at Amazon, any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, 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
Obama’s war on religious liberty
Obama’s war on religious liberty.
I would simply say that this is a war on liberty. You take away someone’s freedom to pray or practice their religion as they wish, you also take away their liberty. And if you can take their liberty, you can take anyone’s. For those who like the idea of forcing every insurance company and private institution to provide contraceptives, remember, if this administration gains that power, future administrations will have that power as well. And there is no guarantee that those future administrations will impose policies you agree with. To paraphase an old quote, “First they came for the Catholics, and I did nothing, because I wasn’t a Catholic…”
Obama’s war on religious liberty.
I would simply say that this is a war on liberty. You take away someone’s freedom to pray or practice their religion as they wish, you also take away their liberty. And if you can take their liberty, you can take anyone’s. For those who like the idea of forcing every insurance company and private institution to provide contraceptives, remember, if this administration gains that power, future administrations will have that power as well. And there is no guarantee that those future administrations will impose policies you agree with. To paraphase an old quote, “First they came for the Catholics, and I did nothing, because I wasn’t a Catholic…”
A look at the universe’s dark side
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 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.
Mapping the surface of an extrasolar planet light years away.
Mapping the surface of an extrasolar planet light years away. From the paper’s abstract [pdf]:
We use archived Spitzer [Space Telescope] data of [the star] HD189733 … encompassing six transits, eight secondary eclipses, and a phase curve in a two-step analysis. The first step derives the planet-star system parameters. The second step investigates the structure found in eclipse scanning, using the previous planet-star system parameter derivation as Gaussian priors.
We find a 5-sigma deviation from the expected occultation ingress/egress shape for a uniform brightness disk, and demonstrate that this is dominated by large-scale brightness structure and not an occultation timing offset due to a non-zero eccentricity. Our analysis yields a 2D brightness temperature distribution showing a large-scale asymmetric hot spot whose finer structure is limited by the data quality and planet orbit geometry. [emphasis mine]
Mapping the surface of an extrasolar planet light years away. From the paper’s abstract [pdf]:
We use archived Spitzer [Space Telescope] data of [the star] HD189733 … encompassing six transits, eight secondary eclipses, and a phase curve in a two-step analysis. The first step derives the planet-star system parameters. The second step investigates the structure found in eclipse scanning, using the previous planet-star system parameter derivation as Gaussian priors.
We find a 5-sigma deviation from the expected occultation ingress/egress shape for a uniform brightness disk, and demonstrate that this is dominated by large-scale brightness structure and not an occultation timing offset due to a non-zero eccentricity. Our analysis yields a 2D brightness temperature distribution showing a large-scale asymmetric hot spot whose finer structure is limited by the data quality and planet orbit geometry. [emphasis mine]
New evidence for recent earthquakes on Mars
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
“Occupy Wall Street protesters have been occupying federal property for months, but when we kneel in prayer, the police are called in and we are arrested.”
“Occupy Wall Street protesters have been occupying federal property for months, but when we kneel in prayer, the police are called in and we are arrested.”
All they did was quietly pray, in front of the White House. How dare they?
“Occupy Wall Street protesters have been occupying federal property for months, but when we kneel in prayer, the police are called in and we are arrested.”
All they did was quietly pray, in front of the White House. How dare they?
India’s second lunar probe, Chandrayaan-2, faces possible launch delays
India’s second lunar probe, Chandrayaan-2, faces possible launch delays due to limitation in their rocket engine capabilities.
India’s second lunar probe, Chandrayaan-2, faces possible launch delays due to limitation in their rocket engine capabilities.
ISS to finally get an experimental centrifuge
At last! The ISS is to finally going to get an experimental centrifuge.
I have studied at length all the research done on all the space station ever launched, from Skylab, all the Russian Salyut stations, Mir, and now ISS, and from I could tell, only once was a centrifuge experiment put in space, by the Russians. Though the centrifuge was small and the results inconclusive, they suggested that even the addition of a truly miniscule amount of force could significantly mitigate the effects of weightlessness on plants and materials.
To finally get an experimental centrifuge on ISS is wonderful news. In order to build an interplanetary spaceship as cheaply and as efficiently as possible using centrifugal force to create artificial gravity we need to know the minimum amount of centrifugal force we need. Less energy will probably require less complex engineering, which should also require less launch weight to orbit, lowering the cost in all ways.
At last! The ISS is to finally going to get an experimental centrifuge.
I have studied at length all the research done on all the space station ever launched, from Skylab, all the Russian Salyut stations, Mir, and now ISS, and from I could tell, only once was a centrifuge experiment put in space, by the Russians. Though the centrifuge was small and the results inconclusive, they suggested that even the addition of a truly miniscule amount of force could significantly mitigate the effects of weightlessness on plants and materials.
To finally get an experimental centrifuge on ISS is wonderful news. In order to build an interplanetary spaceship as cheaply and as efficiently as possible using centrifugal force to create artificial gravity we need to know the minimum amount of centrifugal force we need. Less energy will probably require less complex engineering, which should also require less launch weight to orbit, lowering the cost in all ways.
Preston Reed – Ladies Night
Facebook and the CIA
Cathy Rigby – Never Never Land
An evening pause:
I have a place where dreams are born,
And time is never planned.
It’s not on any chart.
You must find it with your heart.
Never never land.
Why things break in space
Updated and bumped: I will be discussing this story on the the John Batchelor Show tonight, February 17, Friday, 12:50 am (Eastern), and then re-aired on Sunday, February 19, 12:50 am (Eastern).
———————————————————————-
Someday, humans will be traveling far from Earth in large interplanetary spaceships not very different than the International Space Station (ISS). Isolated and dependent on these ships for survival, these travelers will have no choice but to know how to maintain and repair their vessels whenever something on them should break.
And things will break. Entropy rules, and with time all things deteriorate and fail.
Each failure, however, is also a precious opportunity to learn something about the environment of space. Why did an item break? What caused it to fail? Can we do something to prevent the failure in the future? Finding answers to these questions will make it possible to build better and more reliable interplanetary spaceships.
ISS is presently our only testbed for studying these kinds of engineering questions. And in 2007, a spectacular failure, combined with an epic spacewalk, gave engineers at the Johnson Space Center a marvelous opportunity to study these very issues.
» Read more
Perspective
The White House chart that illustrates the irresponsible nature of Obama’s proposed budget.
The White House chart that illustrates the irresponsible nature of Obama’s proposed budget.
Yes, that’s right, the chart is from the White House itself, which means they themselves know how useless their proposed budget is, and how little they care. More here, including video of a truly entertaining but clarifying exchange between Congressman Paul Ryan and Treasury Secretary Tim Geithner.
The White House chart that illustrates the irresponsible nature of Obama’s proposed budget.
Yes, that’s right, the chart is from the White House itself, which means they themselves know how useless their proposed budget is, and how little they care. More here, including video of a truly entertaining but clarifying exchange between Congressman Paul Ryan and Treasury Secretary Tim Geithner.
China’s next launch of its Shenzhou capsule will be manned
China’s next launch of its Shenzhou capsule this summer will be manned.
It seems those rumors weren’t true. Or maybe they were.
Just like in the 1960s with the Soviet Union, the only way to find out what exactly is going on in the Chinese space program is to wait for something to actually happen.
China’s next launch of its Shenzhou capsule this summer will be manned.
It seems those rumors weren’t true. Or maybe they were.
Just like in the 1960s with the Soviet Union, the only way to find out what exactly is going on in the Chinese space program is to wait for something to actually happen.
government by presidential fiat
“Government by presidential fiat.”
The president of the United States has just ordered private companies to give away for free a service that his own health and human services secretary has repeatedly called a major financial burden.
On what authority? Where does it say that the president can unilaterally order a private company to provide an allegedly free-standing service at no cost to certain select beneficiaries?
Repeal this damn law (Obamacare), and fire the goddamn politicians that had the hubris to force it on us.
“Government by presidential fiat.”
The president of the United States has just ordered private companies to give away for free a service that his own health and human services secretary has repeatedly called a major financial burden.
On what authority? Where does it say that the president can unilaterally order a private company to provide an allegedly free-standing service at no cost to certain select beneficiaries?
Repeal this damn law (Obamacare), and fire the goddamn politicians that had the hubris to force it on us.
A burst of aurora for reasons that are “unclear.”
A weak maximum now expected
The solar scientists at the Marshall Space Flight Center significantly downgraded their prediction today for the upcoming solar maximum.
Unfortunately, the Marshall scientists don’t archive their previous predictions, merely changing the text of their webpage periodically. However, I have archived most of these predictions as they have changed. Here they are:
» Read more
3D printing in concrete
An evening pause: How things will be built and manufactured in the future, on Earth and in space, though in space they probably won’t use concrete.
Making buildings invisible to earthquakes
“Even if Congress were to enact this budget we would still be left with–in the outer decades as millions of Americans retire–what are still unsustainable commitments in Medicare and Medicaid.”
From Obama’s own Treasury Secretary, describing Obama’s own budget proposal:
Even if Congress were to enact this budget we would still be left with – in the outer decades as millions of Americans retire – what are still unsustainable commitments in Medicare and Medicaid.
The day of reckoning looms.
From Obama’s own Treasury Secretary, describing Obama’s own budget proposal:
Even if Congress were to enact this budget we would still be left with – in the outer decades as millions of Americans retire – what are still unsustainable commitments in Medicare and Medicaid.
The day of reckoning looms.
A new study in China has found that electric cars are more harmful to public health per kilometer traveled than conventional vehicles.
Surprise, surprise! A new study in China has found that electric cars are more harmful to public health per kilometer traveled than conventional vehicles.
The problem here isn’t the effort to develop electric cars in the hope they can reduce pollution. The problem is that our government is imposing its preference, prior to anyone finding out if this technology can actually do the job.
Surprise, surprise! A new study in China has found that electric cars are more harmful to public health per kilometer traveled than conventional vehicles.
The problem here isn’t the effort to develop electric cars in the hope they can reduce pollution. The problem is that our government is imposing its preference, prior to anyone finding out if this technology can actually do the job.
Catholic, Lutheran, Baptist and Jewish leaders all testified at a Congressional hearing today that they would go to prison rather than obey the Obamacare mandates being imposed by the Obama administration.
Catholic, Lutheran, Baptist and Jewish leaders all testified at a Congressional hearing today that they would go to prison rather than obey the Obamacare mandates being imposed by the Obama administration. Key reaction from one Congressman:
“Well, just so everybody understands what is going to happen: These guys are either going to go to jail because they won’t violate their religious beliefs, or the hospitals and the schools are going to close, which means governemnt is going to get bigger, because they’re going to have to fill the void that is left when you guys quit doing it. And maybe that’s what [the Obama administration] wanted all along.”
When did we become a nation where government officials can order anyone to do anything, even if that order contradicts a person’s personal religious beliefs? And if you are a Democrat and don’t mind Obama’s orders because you agree with them, just remember that the Democrats are not going to be in power forever. Do you want a conservative Republican to have that same power?
In a free society, no politician should ever have such power. It is essential that everyone stand up against this attack on freedom. And it is even more important that these thugs be removed from office as soon as possible.
Catholic, Lutheran, Baptist and Jewish leaders all testified at a Congressional hearing today that they would go to prison rather than obey the Obamacare mandates being imposed by the Obama administration. Key reaction from one Congressman:
“Well, just so everybody understands what is going to happen: These guys are either going to go to jail because they won’t violate their religious beliefs, or the hospitals and the schools are going to close, which means governemnt is going to get bigger, because they’re going to have to fill the void that is left when you guys quit doing it. And maybe that’s what [the Obama administration] wanted all along.”
When did we become a nation where government officials can order anyone to do anything, even if that order contradicts a person’s personal religious beliefs? And if you are a Democrat and don’t mind Obama’s orders because you agree with them, just remember that the Democrats are not going to be in power forever. Do you want a conservative Republican to have that same power?
In a free society, no politician should ever have such power. It is essential that everyone stand up against this attack on freedom. And it is even more important that these thugs be removed from office as soon as possible.
The manslaughter trial of six scientists and one government official continued yesterday in Italy over their reassurances to the public prior to a deadly earthquake in 2009.
The manslaughter trial of six scientists and one government official continued yesterday in Italy over their reassurances to the public prior to a deadly earthquake in 2009.
Guido Bertolaso, former head of the Department of Civil Protection and De Bernardinis’s direct superior, had not been indicted and was originally expected to appear as a witness. But a few weeks ago a wiretap revealed that he had apparently set up the meeting to convey a reassuring message, regardless of the scientists’ opinion. He also seemed to be the source of the “discharge of energy” statement. He thus found himself under investigation and, at the beginning of the hearing, he was officially notified that he too may soon be formally indicted for manslaughter.
Bertolaso was asked by the prosecutor to explain that telephone conversation. He defended himself by saying that by defining the meeting as a “media move”, he was not trying to downplay risks but rather to put some order into the contradictory information that was reaching the citizens in those days. In particular, he referred to Giampaolo Giuliani — a laboratory technician and amateur seismologist who was alarming the population with claims that a major shock was coming — and to a newspaper article that had misquoted some Civil Protection experts and stated that the shocks would soon be over. The meeting, he said, was meant to make clear that both were wrong and that no deterministic prediction could be made. [emphasis mine]
This increasingly appears to be another case of science being corrupted by politics.
The manslaughter trial of six scientists and one government official continued yesterday in Italy over their reassurances to the public prior to a deadly earthquake in 2009.
Guido Bertolaso, former head of the Department of Civil Protection and De Bernardinis’s direct superior, had not been indicted and was originally expected to appear as a witness. But a few weeks ago a wiretap revealed that he had apparently set up the meeting to convey a reassuring message, regardless of the scientists’ opinion. He also seemed to be the source of the “discharge of energy” statement. He thus found himself under investigation and, at the beginning of the hearing, he was officially notified that he too may soon be formally indicted for manslaughter.
Bertolaso was asked by the prosecutor to explain that telephone conversation. He defended himself by saying that by defining the meeting as a “media move”, he was not trying to downplay risks but rather to put some order into the contradictory information that was reaching the citizens in those days. In particular, he referred to Giampaolo Giuliani — a laboratory technician and amateur seismologist who was alarming the population with claims that a major shock was coming — and to a newspaper article that had misquoted some Civil Protection experts and stated that the shocks would soon be over. The meeting, he said, was meant to make clear that both were wrong and that no deterministic prediction could be made. [emphasis mine]
This increasingly appears to be another case of science being corrupted by politics.
Has a British archeologist discovered the lost treasure mine of the Queen of Sheba?
Famous Paintings Improved By Cats
Obama administration has decided that volunteering will work to forgive a student loan, as long as that volunteer work is not for a religious organization
Obama administration has decided that volunteering will work to forgive a student loan — as per the law that Congress passed — as long as that volunteer work is not for a religious organization.
Congress created the loan forgiveness program in 2007 to encourage graduates to enter the public service field. In exchange for that service, the remaining balance of student loans would be considered repaid after 120 full payments.
To qualify for the loan forgiveness, one must now work for a federal, state or local government agency or organization, including public water, bridge or housing districts, or nonprofit organizations designated as tax exempt by the Internal Revenue Service.
More and more, it is obvious that this administration and those who support it are hostile to religion (except for Islam), hostile to freedom, and focused on gathering all power and control to the federal government.
Obama administration has decided that volunteering will work to forgive a student loan — as per the law that Congress passed — as long as that volunteer work is not for a religious organization.
Congress created the loan forgiveness program in 2007 to encourage graduates to enter the public service field. In exchange for that service, the remaining balance of student loans would be considered repaid after 120 full payments.
To qualify for the loan forgiveness, one must now work for a federal, state or local government agency or organization, including public water, bridge or housing districts, or nonprofit organizations designated as tax exempt by the Internal Revenue Service.
More and more, it is obvious that this administration and those who support it are hostile to religion (except for Islam), hostile to freedom, and focused on gathering all power and control to the federal government.
The decision by China to launch their next Shenzhou manned capsule unnamed has made at least one China space expert worried.
The decision by China to launch their next Shenzhou manned capsule unmanned has made at least one China space expert worried.
Why the sudden change? It seems clear that there must be technical issues at work, and they must be fairly serious. Statements in the Chinese media hint at performing tests on the small tunnel connecting the Shenzhou spacecraft to the Tiangong module after docking. If we decode the typically vague reportage, it seems fair to assume that there could be some sort of technical problem with the pressurization of this tunnel. This problem could have been exposed during the Shenzhou 8 docking.
The decision by China to launch their next Shenzhou manned capsule unmanned has made at least one China space expert worried.
Why the sudden change? It seems clear that there must be technical issues at work, and they must be fairly serious. Statements in the Chinese media hint at performing tests on the small tunnel connecting the Shenzhou spacecraft to the Tiangong module after docking. If we decode the typically vague reportage, it seems fair to assume that there could be some sort of technical problem with the pressurization of this tunnel. This problem could have been exposed during the Shenzhou 8 docking.