Have you ever wanted to stop light? or hold it still for while? maybe you just like messing with stuff like this. Either way some of those m4d scientist like people have done the do and are starting to brag about it.
"Hemmer's team use a second laser beam to excite atoms in a substance to new energy states"
Are your atoms excited? I know mine are.. Whoochhaa (Dont worry there is some content about computers in there too =))