We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train Station Clock which has been refurbished after being picked up for cheap at ...

If you have ever sat in a quiet room with a wall clock nearby, you have probably noticed the steady tick-tock rhythm. It is such a common sound that most people barely notice it, yet the reason behind ...

Sharon Ann Holgate reviews A Brief History of Timekeeping: the Science of Marking Time, from Stonehenge to Atomic Clocks by Chad Orzel Prehistoric clock At Stonehenge, the summer solstice is marked by ...