Note:
These historical tidbits have been
collected from various sources, mostly on the Internet. As detailed in this article,
there is a lot of wrong information that is repeated hundreds of times because
most websites do not validate with authoritative sources. On RF Cafe,
events
with hyperlinks have been verified.
All will eventually be either verified or removed.
Please
submit
significant historical events and dates for inclusion in these lists. I will be glad to
include your name and birthday. Please do not submit your death date ;-)
February 10
1863: The fire extinguisher was patented by Alanson Crane. 1865: Heinrich Lenz, Russian physicist who framed Lenz's Law to describe the direction of flow of electric current generated by a wire moving through a magnetic field, died. 1868: Scottish physicist Sir David Brewster, who developed Brewster's Law, which relates the refractive index of a material to its polarizing angle, died. 1879: The electric arc light was used for the first time. 1902: Nobel Prize winner Walter Brattain, co-inventor of the transistor, was born. 1923: Wilhelm Rφntgen, discoverer of x-rays, died. 1933: The singing telegram was introduced by the Postal Telegraph Company of New York City. 1961: The Niagara Falls hydroelectric project began producing power amid a public ceremony. 1996: IBM's Deep Blue supercomputer defeated Garry Kasparov for the first time.
Note: Numbers shown are NOT total page views; they are unique IP addresses for each 24-hour period (i.e., unique visitors). Typical page view counts are at least twice the reported unique visitor number.
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