Featured in motion sensors

How to build a motion-controlled fan
How to make your life easier with motion sensors
Defined: Passive Infrared
Microsoft’s IllumiRoom Rolls Virtual Grenades Straight Into Your Living Room
Video: Swiss Quadrocopters’ Flight Controlled With Hand Gestures, Via Kinect
Tiny Metal Beads Suspended in Electric Fields Make Cheaper, Simpler Motion Sensors
“Virtual Camera” Captures Actors’ Movements for Resident Evil 5
Shaken, Not Blurred