Scientists Do Micro-Origami, Make Tiny Drug-Delivery Package

Researchers at USC's Information Sciences Institute produced this amazing pyramid, around 30 microns across, which may one day be used to deliver precise micro- or nano-doses of medication. The structures, dubbed "voxels" are made of silicon, cut into flats and then folded up and sealed to enclose tiny volumes of… » 4/30/08 10:15am 4/30/08 10:15am