HAVING now been engaged for a number of years in measuring the velocity of light by means of the rotating mirror, I have succeeded in rearranging the apparatus in such a manner as, by means simply of ...

A research team headed by Kohei Okumura has put together a motion-tracking camera system with a tiny one-millisecond latency, allowing the camera to stay locked on even fast-moving targets. The system ...

IN the course of a series of experiments on the propagation of transient stress waves in solids, we have developed an optical method of high-speed recording which does not appear to be described in ...

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