Talk about your mixed timekeeping metaphors: there are clocks, and pendulum clocks ... this uses a single IN-12b Nixie tube at the end of a pendulum. The pendulum is kept moving by a small ...

"Previous studies have used scaled-down versions of pendulum clocks, or commercial and generic clocks." The scientists placed both clocks on the same wooden table. As they expected, the motion of ...

Put a case around it and it would be a grandfather clock but for now it’s a pendulum clock made from ... clock when the drive weight reaches the end of its rope. This is a nice departure from ...

The clocks of the 17th century were not accurate, which was a problem for Dutch physicist, mathematician, and astronomer Christiaan Huygens. His work in astronomy required accurate timekeeping, and ...