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.

July 11, 2017 Zimmerman Space Show podcast

You can now listen to my two-hour appearance on the Space Show, posted here as a podcast available for download.


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  • wayne

    Referencing the Chinese experiment’s with manipulating exposure to light and potential application to Moon based settlement.

    Circadian rhythm’s are ubiquitous to most all life on Earth, and they generally follow a 24 hour(ish) cycle. Exposure to sunlight is heavily implicated in controlling this, although cave-dwelling animals also display certain circadian cycles. (Gravity as well, is implicated.)
    We humans in particular are creatures of a 24 hour day/night cycle, it’s hard wired into the equipment.
    For the Moon– you are going to need lighting that replicates the spectrum & the day/night cycle of Earth.
    Humans can tolerate extremes of light/dark cycles (as long as sleep/awake, remains steady) but performance is sacrificed in the short term, and longer term people can get clinically impaired. (a small percentage, but it’s not zero.)
    -If you want to drive people literally nuts– manipulate their sleep/awake schedule and deprive them of high-quality lighting.

  • Wayne: You miss the point, which is what I think the Chinese actually wanted. They really aren’t testing whether humans can deal with doing without sunlight for a period of time. The bigger problem is engineering the facility so that it can function adequately during those long sunless periods. This is not a simple thing, as the temperature swings alone on the Moon can cross hundreds of degrees.

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