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.

The modern glassmaker

An evening pause: Though the last two minutes are a commercial and can be ignored, the rest of this video shows the modern way glass is produced for our technological society. Most fascinating, especially because the way it is done surprised me.

Hat tip Rocco.


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  • Joe

    Very transparent, unlike Washington!

  • DougSpace

    Is it possible to make glass on the Moon? To become completely Earth-independent, we need to.

  • Tom Billings

    The answer about glass on the Moon depends on where you are and what else you are doing. Oregon L5 Society’s Research Team has used a concept for our Lunar Development Settlement for National Space Society in the virtual world, Second Life, using the basalts of a lava field with a lava tube cave in it, before the end of Phase 1 with in situ resource facilities for producing 3 things:

    1. ) Making Liquid Oxygen from regolith electrolysis, which leaves leaves waste highly enriched in reduced Iron, as well as the native Nickel/Iron bits from meteorites pulled out of the the regolith by magnetic rakes before it is fused.

    2.) Making the LOX process waste yield Iron Pentacarbonyl and Nickel Tetracarbonyl through the Mond Process, and distilling them to separate the 2, as well as separating the Nickel/Iron bits and their PGM residue. This produces a waste product highly enriched in alumina and silica.

    3.) Alumina and silica is most of what you need for high strength “S Glass” fibers from a glass furnace with a spinneret at the bottom and a coating process to keep the glass fibers isolated from water. Calcium from the lunar regolith can be added to lower melting points for separate glass batches. This can be used later with the high melting point fibers, allowing the sort of glass-in-glass composites that Dr. Goldsworthy demonstrated as early as the late 1970s.

    Note is this sort of multiple usage of material collected that will lower capital costs for settlements, which costs, after cheap transportation is available, will be their chief limit.

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