High Tec Shadow Play
'In Rotterdam, Canadian artist Rafael Lozano-Hemmer used two 7000 watt lamps to create 1200 square metres of projected images which were overlayed by the shadows of passer-by's. A computer based tracking system monitored the shadows. Once the shadows matched the projected image, a new image (or "scene") was triggered. ' An impressive (if extravagant) bit of public art (QuickTime)
Speed of light broken.
But it may be awhile before we can harness it for anything useful. Fascinating, nonetheless.
Can the speed of light be broken?
It's not 1 April, so this actually might be true. It'll be interesting to see the paper in Nature
, if and when.