With the powerful off-the-shelf hardware available to us common hardware hobbyist folk, how hard can it be to make a ...
When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...
Pipe local wireless noise through an SDR into an RPi, and 64 LED filaments do the rest Unless you live in a Faraday cage, you're surrounded at all times by invisible radio signals, from Bluetooth and ...
The United States spends over a $100 billion dollars more a year on the military than it did at the height of the Cold War. What does it get year upon year for that money? Since 2001, America’s ...