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Kaleri Aleksandr
2010-11-17 14:09:40

Aleksandr Kaleri is a Russian cosmonaut and veteran of extended stays on the Mir Space Station and the International Space Station. He was born Aleksandr Yuriyevich Kaleri on May 13, 1956 in Russia. In 1979, Kaleri graduated from the Moscow Institute of Physics and Technology as a specialist in Aircraft Flight Dynamics and Control. After his graduation, he was hired by the Energia Corporation...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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