Hackaday.com

Your Own Tool Changer

15 hours 55 minutes ago
All the cool new 3D printers have tool-changing heads. Instead of multiplexing filament through one hot end, you simply park one hot end and pick up another. Or pick up …read more
Al Williams

Skylab Under the Ocean

1 day ago
A crew lives on a station in a hostile environment. Leaving that environment requires oxygen tanks and specialized gear to deal with pressure differentials. A space station? Nah. A base …read more
Al Williams

Passive Radar Explained

2 days 6 hours 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
Checked
55 minutes 29 seconds ago
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