Useless machines are a fun class of devices which typically turn themselves off once they are switched on, hence their name. Even though there’s no real point, they’re fun to build and to operate ...

Concept design uses QR codes to give time and place information to smartphones and other devices with artificial eyes. The QR code constantly changes to reflect the new time. Freelance writer Amanda C ...

When was the last time you looked forward to looking at a clock? Not to find out the time per se — like gee, maybe it’s beer o’ clock already — but waited with bated breath to gaze upon a particular ...