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.

SLS core stage successfully completes 8-minute static fire test

NASA and Boeing today successfully completed a full 8-minute static fire test of the core stage of its first SLS rocket.

This was their second attempt, the first terminating prematurely after about one minute in January.

They must now analyze the test to make sure all went well. If it did, they then must figure out how long it will take to get the stage prepped and shipped to Florida and then prepped for launch. The schedule presently calls for a November launch. It is expected that date will be delayed, anywhere from one to three months.


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  • Sam

    Speaking of sls, former senator Nelson will be nominated tomorrow for the position of nasa administrator

  • wayne

    I’ll toss this in here…

    How Amateur Radio Fans Decoded SpaceX’s Telemetry & Engineering Video
    Scott Manley 3-15-21

  • Jay

    Thanks Wayne!
    Been using those RTL-SDRs for years now. Depending on the software used they work well as a receiver and a poor-man’s spectrum analyzer. A couple years ago there was an article in the AMSAT Journal (Amateur Radio Satellite) on making a receiver project to decode telemetry from ham radio satellites using these RTL-SDRs. Looks like a couple hams decided to point it at all objects in sky. By the way the project cost less than $60 in parts.



  • Patrick Underwood

    Sam: perfect. What better way to accelerate NASA’s HSF plunge into irrelevance.

    I say this not gladly, but sadly.

  • Tom

    There was a raging fire just above one of the engine bells early on. The camera operators stopped going to that camera after minute two or so. I was waiting for the whole thing to blow apart spectacularly but someone upstairs must have thought that NASA has had enough and gave them a pass.

  • Jeff Wright

    I’ve heard some say that development would have been eased with 3 or 6 engines…but the Energiya 4 was used. Marshall almost got its RD-0120 engines before the end of the thaw. Glushko hated hydrogen-and yet this channel-wall engine wound up easier than the Zenit style strap-ons. Same with the way M-10was headed. The Ares V was to be ten meters wide and use RS-68s with much fewer parts-then Obama killed it and new spacers join him in trying to destroy hydrogen infrastructure. Ironic. I think Musk should make the scaled up larger Super-Heavy capable of lofting a modified SLS with air start. This Super-Heavy II should accept solids to have the strength to put Orion hulls in Orbit for nuke-pulse units to be added later.

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