The biggest lesson I’ve learned in my career is that the moment you decide to challenge convention, everything changes. The usual perception is that different is dangerous. But the opposite is really ...

THE tuning-fork, when used for making time traces in chronographic work, is usually made to vibrate, by bowing with a violin bow, or by percussion, or by rapidly removing a metal block from between ...

Whatever kind of clock you’re interested in building, you’re going to need to build an oscillator of some sort. Whether it be a pendulum, a balance wheel, or the atomic transitions of cesium or ...

THE tuning-fork when its number of double vibrations, to and from in a second, or briefly its frequency, has been ascertained, is a most convenient instrument for measuring minute divisions of time.