3D Printer Cuts Metal

3 hours 15 minutes ago
Every now and then we’ll see a 3D printer that can print an entire house out of concrete or print an entire rocket out of metal. But usually, for our …read more
Bryan Cockfield

Mystery HP Gear Teardown

10 hours 45 minutes ago
What’s round, has what looks like a vacuum tube in the center, and was made in the 1950s by HP? We don’t know either, but [The Signal Path] restored one …read more
Al Williams
2 hours 15 minutes ago
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