Chris Kiick posted about swarm robotics earlier in the week and today publishes his first Hack-A-Day How-To. Old computer mice are being abandoned in droves. They’re tossed out because of dirt, ...

I want to write about something a little different this time. I removed the mechanical scroll wheel rotary encoder from a discarded optical mouse and used it in a little project. I really liked the ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Early in his engineering career, Rohit de Sa faced a painful ...