Conscious Choice cover

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.

 

Available everywhere for $3.99 (before discount) at Amazon, Barnes & Noble, and all ebook vendors, or direct from the ebook publisher, ebookit. And if you buy it from ebookit you don't support the big tech companies and I get a bigger cut much sooner.


Perseverance: update on launch rehearsal and helicopter

Two news stories today about the launch of the United States’ next Mars rover, Perservance.

First, ULA yesterday successfully completed a dress rehearsal countdown with the Atlas 5 rocket that will launch Perseverance on July 20 at 9:15 am (Eastern)..

The rover will be mounted onto the rocket at the end of this week.

Second, JPL provided this press release describing how Perseverance’s test helicopter Ingenuity will be deployed on the Martian surface, where it will then test to see if such helicopters will work in the Martian atmosphere.

Sixty Martian days (dubbed sols) after landing in Jezero Crater on February 18, Perseverance will find a nice large flat area and deploy the helicopter six sols later. The helicopter will then begin its 30-sol test program. If it is found to work, future rovers will almost certainly be equipped with such helicopters, acting as scouts able to go places the rover cannot.

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5 comments

  • David M. Cook

    I thought some kind of airplane was the hot ticket for doing a scan of Mars‘ surface. Is anybody working on an airplane for Mars right now?

  • David M. Cook: I am unaware of any active and funded project to develop a glider or motorized plane for Mars. NASA has funded design studies in the past, going back to the 1970s, but none have ever gone very far.

    The new computer technology and software related to drones is I think what made Ingenuity practical now.

  • David M. Cook

    So it‘s a quadra-rotor or octo-rotor thing? Not a true ”helicopter“? This is probably the best solution to the critical phases of flight, takeoff & landing.

  • A. Nonymous

    Does it generate lift, or thrust? That’s the determining factor between the two types of VTOL.

  • Chemist

    It appears to be a quad rotor. See:
    https://mars.nasa.gov/technology/helicopter/

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