Scientist creates solution for looming broadband shortage

A new technology could help manage a potential data tsunami that might otherwise drastically restrict the use of smartphones, tablets and other wireless data technologies because of a nationwide mobile wireless broadband ...

'Optical clock' yields split-second success

Physicists said Tuesday that a so-called optical lattice clock, touted by some as the time-measuring device of the future, had passed a key accuracy test.

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Hertz

The hertz (symbol Hz) is the SI unit of frequency defined as the number of cycles per second of a periodic phenomenon. One of its most common uses is the description of the sine wave, particularly those used in radio and audio applications.

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