The modulating signal then comes from the bacteria's 24-hour circadian clock, which acts as an internal time-keeping mechanism. This finding answers a long-standing question in cell biology—how ...

There have been problems with the mechanism since May and time has stood still for the past two months. Richard Storey, of City of Lincoln Council, said the delay in getting the clock ticking ...

Unless, of course, you build something like this mechanical flip-segment clock with a captivating exposed mechanism “Eptaora” is the name of this clock, according to its inventor [ekaggrat ...

A gear drive, a ratcheted winding sprocket, and a ball chain gave the clock about one hundred minutes of runtime. Adding a recharging mechanism was fairly straightforward. The weight automatically ...