Aerogel
Have any of u out there heard of Aerogel? if not well this shall tell u what it is.
Aerogel is a manufactured material with the lowest bulk density of any known porous solid.[1] It is derived from a gel in which the liquid component of the gel has been replaced with a gas. The result is an extremely low-density solid with several remarkable properties, most notably its effectiveness as a thermal insulator and its extremely low density. It is nicknamed frozen smoke,[2] solid smoke or blue smoke due to its translucent nature and the way light scatters in the material; however, it feels like expanded polystyrene (styrofoam) to the touch
well thats one cool scientifical item for today. and anyway u gotta admit its cool too.
and incase u were wondering, aerogel looks like this..
to find out more read at wikipedia!
http://en.wikipedia.org/wiki/Aerogel
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