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Other important events in October:
Siemens founded: October 12, 1847
Evangelista
Torricelli (1608 – 1647) is best known
for inventing the barometer. His invention came as a way to solve a
practical problem of getting water to rise above 10 meters, using a
suction pump. Torricelli created a tube filled with mercury, and the
mercury column fell to about 28 inches. The height of the column rose and
fell with changing atmospheric pressure. This invention was the first
barometer. A unit of pressure, the torr, was named after Torricelli.
Birthday: October 15, 1608
Sir
James Chadwick, (1891 – 1974) was an
English Nobel laureate in physics awarded for his discovery of the
neutron.
Birthday: October 20, 1891
Wilhelm
Eduard Weber (1804 – 1891) was a German
physicist. During his years as professor at the University of Gottingen,
he worked with Carl Friedrich Gauss. Together, they invented the first
electromagnetic telegraph.
Birthday: October 24, 1804
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