More than two millennia ago, Greek craftsmen built a bronze machine that could track the heavens with a precision that would not be matched for centuries. Hidden inside a corroded lump recovered from ...

Long before electricity was a common household utility, humanity had been building machines to do many tasks that we’d now just strap a motor or set of batteries onto and think nothing of it.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Today’s world runs on digital computers, but there was a time when ...