We are all unique individuals. Kita memiliki anggota tubuh, penampilan, dan pikiran yang berbeda dengan orang lain. So be your self !!!

Sunday, February 8, 2009

Seconds Matter

Until the 18th century there was no need to have seconds as a time measurement. It is only with long distance exploration and astronavigation that accurate measurement of time became crucial. In 1772 King George V had to threaten the Board of Longitude with a personal appearance if they did not give John Harrison the prize money of 20,000 pounds for finding longitude.

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