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A comment on Caltech to Launch Space Solar Power Technology Demo into Orbit. Parent comment

Re:Caltech to Launch Space Solar Power Technology Demo into ... by cwkoss on Thursday January 05, 2023 @07:53PM (#34269424)
I don't know if a lighter than air brick of aerogel has ever been manufactured. Would helium in the crevices generate enough lift to make a neutrally or negatively buoyant solid?

If so, I want one.

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Re:Caltech to Launch Space Solar Power Technology Demo into ... by thehappypm on Thursday January 05, 2023 @08:34PM (#34269786)
You can get one today, it’s called a balloon
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Re:Caltech to Launch Space Solar Power Technology Demo into ... by AlotOfReading on Thursday January 05, 2023 @09:37PM (#34270247)
Helium and hydrogen would immediately leak out of an aerogel.
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