MIT Physicists Create BoomStick QuantumZero Clouds That Are A Million Times thinner Than Air!

"When one cloud of gas meets another, they normally pass right through each other. But now, MIT physicists have created clouds of ultracold gases that bounce off each other like bowling balls, even though they are a million times thinner than air -- the first time that such impenetrable gases have been observed."

[link to www.sciencedaily.com]