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Nerd Lab
Get your science fix here: research, quackery, activism and all the rest - 605 Topics
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Re: Propellentless thrust - s…
by JQH View the latest post
Tue Apr 23, 2024 2:37 pm
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Weighty Matters
Discussions about serious topics, for serious people - 1169 Topics
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Re: Blyatskrieg
by bob sterman View the latest post
Sun Apr 28, 2024 5:41 pm
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