SpaceRef.com - 2010 Feb 10
(Daeyeon Kim)
A low-power, sensor system developed at the University of Michigan ... could enable new biomedical implants ... The UM system's processor, solar cells, and battery are all contained in its tiny frame, which measures 2.5 by 3.5 by 1 mm. It is 1,000 times smaller than comparable commercial counterparts.