Cool Concrete

[Johnny Pneumatic]

http://www.space.com/businesstechnology/technology/space_concrete_010601.html

[Pyrrho]

Neat. Still, I don't think we're gonna get anywhere until we invent transparent aluminum...:D

[sorgoth]

I wonder what bone's resonance frequency is...



Or whatever it is that makes things shatter.

[Matabiri]

Pykrete:
http://www.cabinetmagazine.org/issues/7/floatingisland.php

[Johnny Pneumatic]

Myth Busters did a show on melting bullets; they didn't do Pykrete
bullets or dry ice. I wonder if they would work.

[a_unique_person]

If their canoe reaches resonance, it may just tip over really easily.