Ambient Radiation Sensors
"Unlike X-ray machines or radar instruments, the sensor doesn't have to generate a signal to detect objects Â it spots them based on how brightly they reflect the natural radiation that is all around us every day."
"It's basically just a really bad tunnel diode," he explained. "I thought, heck, we can make a bad diode! We made lots of them back when we were figuring out how to make good ones."
First millimeter-wave detection systems, and now this. There's some interesting research in remote sensing going on, and there are sure to be some cool security applications.
Posted on August 24, 2005 at 8:17 AM • 12 Comments