Aerogel or 'frozen smoke' is the world's lowest density solid. The hologram-like substance is 99% air. It is almost impossible to feel if you hold it in your hand but when you poke it, it feels like styrofoam.

Aerogel or 'frozen smoke' is the world's lowest density solid. The hologram-like substance is 99% air. It is almost impossible to feel if you hold it in your hand but when you poke it, it feels like styrofoam.

submitted by DroidsRugly to WTF

[link] [226 comments]

from reddit: the front page of the internet http://ift.tt/1oe179P

via IFTTT

Comments