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joule
(redirected from Picojoule)

    Also found in: Dictionary/thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia 0.01 sec.

joule

SI unit of work and energy (such as potential energy, kinetic energy, or electrical energy).

It is defined as the work done (energy transferred) by a force of one newton acting over one metre and equal to 107 ergs. It can also be expressed as the work done in one second by a current of one ampere at a potential difference of one volt. One watt is equal to one joule per second.

The joule replaces the calorie (one calorie equals 4.2 joules).
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These are optical switches with a potential speed of 1 billion operations per second and a switching energy of about 1 picojoule.
And then there was light by Bernstein, Lawrence / Communications News
Each sub-micron structure represents one bit of memory and requires only 25 PicoJoules to program it, thereby giving rise to the exceptionally low write/erase power requirements.
Cavendish Kinetics: Major New Embedded Memory Technology Announced by Business Wire
 
 
 
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