Images: Energy-saving sensors

At Intel, researchers are looking at ways to let radio-frequency identification tags exploit energy from RFID readers to perform additional tasks. The sensor detects motion around it. The microprocessor inside the sensor does not run on batteries or electricity from a wall socket, but on energy stored from a blast from an RFID reader.

Intel Research Seattle

By Bill Detwiler

Bill Detwiler is Editor in Chief of TechRepublic and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop support specialist in the ...