Named Digital Angel, this implantable or wearable sensing system measures and communicates the wearer's location, pulse, body temperature, and other data (courtesy of Applied Digital Solutions, www.adsx.com). This tiny, silicon-carbide micromotor for medical surgical uses can power microtweezers and microgrippers in catheters (courtesy of Battelle's Glennan Microsystem Initiative, www.glennan.org). A Braille keyboard display system implements refreshable micro-actuated keys that communicate with the computer (courtesy of Orbital Research Corp., www.orbitalresearch.com).
 
The future could bring household robots based on Legos, like this R2-D2 lookalike (courtesy of Lego Corp., www.lego.com). With Bluetooth, a wristwatch can double as a PDA, remote controller, or security device (courtesy of IBM/Citizen Watch Co., www.ibm.com, www.citizenwatch.com).
 
A future car now under development in Japan will be fully automated with all types of sensors (courtesy of the MANCEF Roadmap Project, www.mancef.org).