An curved arrow pointing right. This mirror is designed to give you more sunlight in the beer garden. The "Smart Mirror" tracks the sun by using GPS, rotating 270 degrees and reflecting the sun's ...

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 ...

THE correct determination of the velocity of light is a result on which so much in physical science depends that there is good reason for us to give a description of the details of the apparatus used ...