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Nature 392, 134-135 (12 March 1998) | doi:10.1038/32306

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Superconductors:  Opening the gap

Piers Coleman1

The discovery that metals emit electrons when exposed to ultraviolet light led Einstein to the radical conclusion that light is made up of photons. Physicists' long affair with photoemission continues today.

  1. Piers Coleman is in the Department of Physics and Astronomy, Rutgers University, 136 Frelinghuysen Road, Piscataway, New Jersey 08854-8019, USA.
    e-mail: Email: coleman@physics.rutgers.edu