Hackaday.com

Plastic Gear Repair

3 weeks 5 days ago
We’ve seen several methods of repairing plastic gears. After all, a gear is usually the same all the way around, so it is very tempting to duplicate a good part …read more
Al Williams

Big Chemistry: Glass

3 weeks 6 days ago
Humans have been chemically modifying their world for far longer than you might think. Long before they had the slightest idea of what was happening chemically, they were turning clay …read more
Dan Maloney
Checked
7 minutes 54 seconds ago
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