Today we can show you [Maarten Tromp]’s latest work in this field: a wall-mounted clock that he’s christened the Clock Sculpture. The clock’s main structure consists of two concentric rings ...

As convenient as it might be to use your phone as an alarm clock, standalone alarm clocks ... and even some that project the time onto your wall for easier viewing. A few even double as Bluetooth ...

Breakthrough could pave the way for next-generation GPS in drones, smartphones and self-driving cars, scientists say.