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Latest Dragan Damjanovic Stories

2010-09-14 22:08:44

Piezoelectric materials have fantastic properties: squeeze them and they generate an electrical field. And vice-versa, they contract or expand when jolted with an electrical pulse.


Word of the Day
ethnarch
  • The governor of a province or people.
The word 'ethnarch' comes from a Greek word meaning 'ruler of a tribe or nation'.
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