We’ve seen plenty of motor projects, but [Jeremy]’s DIY Tubular Linear Motor is a really neat variety of stepper motor in a format we certainly don’t see every day. It started as a design ...

Grant’s difference engine was invented in 1876 by George Grant. It was a calculating machine and was invented as a way to ...

Instead of linear piston motion that's transformed ... Despite only being a twin-cylinder engine, the rotary motor found in the RX-7 FD was capable of keeping up with much of its contemporaries ...