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Peggy Whitson
2012-10-27 13:45:00

Peggy Whitson is an American biochemistry researcher and one of NASA’s most experienced female astronauts after having spent a total of over 365 days in space. She was born Peggy Annette Whitson on February 9, 1960 in Mount Ayr, Iowa, and grew up on a farm outside Beaconsfield. She graduated from Mount Ayr Community High School in 1978 and went on to attend Iowa Wesleyan College, where she received a Bachelor of Science degree in biology and chemistry in 1981. She then went on to receive...

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Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.