Probably the most famous mechanical chess player is the chess playing Turk by Wolfgang von Kempelen, unveiled in 1769 (see ...

If you accidentally put your hand on a hot object, you'll naturally pull it away fast, before you have to think about it.

While not 100% hands-free, it's miles ahead of where robot vacuums were only a few years ago.

Xiaomi Watch 5 adds EMG muscle sensing to trigger gestures like answering calls without relying on arm motion. With a 47mm ...