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A description of the Kelvin Temperature Scale invented by Lord Kelvin.
A telescope lets us view distant objects. Most telescopes use glass lenses and/or mirrors to detect visible light.
Cyrus Hall McCormick (February 15, 1809 - May 13, 1884) was an American inventor who developed the mechanical reaper.
Learn all about the invention of cotton candy by William Morrison and John C. Wharton.
'The Invention of the Light Bulb: Davy, Swan, and Edison'. The first electric light was made in 1800 by Humphry Davy.
Madam C. J. Walker (1867-1919) was an African-American inventor, businesswoman, and self-made millionaire.
Dr. Charles Drew (1904-1950) was an African-American doctor and surgeon who started the idea of a blood bank.
Silk thread and cloth were first made by the Chinese about 4,000 years ago.
Benjamin Franklin (1706-1790) was a USA founding father, inventor, and a Continental Congress delegate.
The microwave oven was invented as an accidental by-product of war-time (World War 2) radar research using magnetrons.
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