Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...
Biological timekeeping : the body's rhythms -- Calendar : different drummers -- Early clocks : home-made beats -- The pendulum clock : the beat of nature -- Successors : ubiquitous timekeeping -- ...
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