Aerogels

Meaningful discussion outside of the potato gun realm. Projects, theories, current events. Non-productive discussion will be locked.
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Lentamentalisk
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Sat Apr 05, 2008 4:14 pm

check this out: http://adzoe.8m.com/Aerogelsa.htm
A 5th grader made his own aerogels. I realize aerogels aren't much use to us, as we need strength more that light weight, but it is still very cool, and just goes to show that with a little dedication you can do what ever the hell you want.
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DYI
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Sat Apr 05, 2008 5:48 pm

I don't know about useless to us - some aerogels are extremely good insulators, the best ever created. That could come in quite useful in a combustion cannon, especially something like a coaxial where surface area is even higher in the chamber.
Spudfiles' resident expert on all things that sail through the air at improbable speeds, trailing an incandescent wake of ionized air, dissociated polymers and metal oxides.
OuchProgramme
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Sat Apr 05, 2008 5:54 pm

DYI wrote:I don't know about useless to us - some aerogels are extremely good insulators, the best ever created. That could come in quite useful in a combustion cannon, especially something like a coaxial where surface area is even higher in the chamber.
Used in big money-making computer harddrives as insulators.

Lightest material on earth
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DYI
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Sat Apr 05, 2008 6:03 pm

Lightest material on earth
I'd have to disagree, and say that gaseous hydrogen is the least dense material on Earth.
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SpudFarm
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Sat Apr 05, 2008 6:15 pm

DYI wrote:
Lightest material on earth
I'd have to disagree, and say that gaseous hydrogen is the least dense material on Earth.
mabe he meant to say "lightest in space" :lol:
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iPaintball
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Sat Apr 05, 2008 7:03 pm

Aerogel has to be one of the coolest materials on earh.. I ordered a sample piece about 3"x3"x1/2" and i put it to an insane test. I put the piece on a ring stand and held a lit mapp gas torch under it and put my other hand on top. It felt barely warm to the touch. Amazing stuff.

P.S. It's the lightest solid on earth :wink:
Summer Projects:
CO2 tank hybrid: Gotta fix the meter :(
Cane gun: Needs a pilot/fill setup
1.5" piston valve gun: Almost done
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SpudFarm
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Sat Apr 05, 2008 7:24 pm

did it get burned? :)
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OuchProgramme
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Sat Apr 05, 2008 7:31 pm

DYI wrote:
Lightest material on earth
I'd have to disagree, and say that gaseous hydrogen is the least dense material on Earth.
Ahh yes corrected by iPaintball. Lightest solid
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iPaintball
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Sat Apr 05, 2008 8:03 pm

Nope. message too short
Summer Projects:
CO2 tank hybrid: Gotta fix the meter :(
Cane gun: Needs a pilot/fill setup
1.5" piston valve gun: Almost done
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