But luckily, just like there are mechanical ways to count coins ... Never being able to afford an original, [Ralph] spun up his own from scrap metal and tooling no more sophisticated than a ...

For several years, [Jim] has wanted to construct a fully-mechanical universal Turing machine ... build the machine using simple hand tools and scrap materials. If you are not familiar with ...

A competition tested the teamwork, ingenuity, and determination of Royal Electrical and Mechanical Engineers (REME) soldiers.