MUSIC - Use dry ice to make a sound lens for your ears

I love finding new things to do with dry ice! We know that we can explode things with it, but once the pleasure from that fades, or if you need a temporary break, just grab a balloon, and make a sound lens. Read more...    ...

http://io9.com/use-dry-ice-to-make-a-sound-lens-for-your-ears-14953486