The Atlantic

Building an Impossible Clock

As a rule, Donald Saff doesn’t collect clocks he can’t see inside of. It’s the harmonic entanglement of gears—and the skill needed to craft them—that first lured him to horology, the study of ...
Hackaday

Building An Electromagnetic Pendulum Clock

[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums ...
EDN

Pendulum Instruments introduces timer, counter, analyzer

Pendulum Instruments has announced the CNT-91 timer/counter/analyzer, which features 50-ps single-shot time-interval resolution and 12-digits/s frequency resolution. It can acquire 250,000 ...
The New York Times

THE PENDULUM TIMER; An Instrument Invented in the Yale College Laboratory. IT IS FOR MEASURING MENTAL TIME Constructed Under the Direction of Prof. Edward W. Scripture, the ...

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