 Radiation shielding
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Conundrum
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Wed Jun 05 2013, 06:15AM
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Registered Member #96
Joined: Thu Feb 09 2006, 05:37PM
Location: CI, Earth
Posts: 4059
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Just found this, it is interesting to read how NASA are proposing to solve the problem of GHECRs and other radiation
affecting long duration space flight.
One other approach that has been mentioned is boron nitride nanotubes filled with hydrogen due to the extreme low weight.
MgB2 hasn't even been considered which is a shame given that it superconducts at 39K and has a critical current
many times that of YBCO.
Also it is a lot lighter due to not having any barium or copper, which makes quite a difference.
Perhaps a multipronged approach of an inner MgB2 "core" and outer YBa2Cu3O7+ with a hollow silver casing would make for a
much more robust system, and could be used to store cryogenic LH2 as a backup power source for the onboard fuel cells.
My approach uses some more innovative shielding but as I just emailed NASA about it, I've decided to wait until they
respond back either yay or nay before posting.
Strangely enough, "New Scientist" published an article about this in 1990-1993 but no-one seems to have even
confirmed or refuted the hypothesis even now.
I've ordered some chemicals so hopefully it will get the Mythbuster treatment shortly.
EDIT: Can some nice chemistry genius (cough Proud Mary /cough) tell me how to make MgB2 from boric acid and magnesium sulphate? Thanks!!!!
Failing that, maybe I can get magnesium carbonate on Greedbay as this is used for treating horse hoof problems IIRC.
EDIT EDIT: I have located some, now just need to get or build a kiln.
-A
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