|
Originally Posted by Yamamanama
Like every other wavelength of light, they bounce off some materials and pass through others. If radio waves bounced off everything, you couldn't listen to the radio indoors.
Wireless is infrared, I believe. As a blackbody, you emit infrared too.
|
Most consumer mobile and wireless devices operate anywhere between roughly 700 Mhz and 30 GHz, which is square in the microwave band.
infrared starts at 300 GHz and goes to up to 400 THz (sub-visible).
Jam it back in, in the dark.