Hackaday.com

Passive Radar Explained

2 weeks 6 days ago
It is an old trope in submarine movies. A sonar operator strains to hear things in the ocean but dares not “ping” for fear of giving away the boat’s location. …read more
Al Williams

A Suction-Driven Seven-Segment Display

2 weeks 6 days ago
There’s a long history of devices originally used for communication being made into computers, with relay switching circuits, vacuum tubes, and transistors being some well-known examples. In a smaller way, …read more
Aaron Beckendorf
Checked
1 hour 43 minutes ago
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