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11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
The month of July 2023 was the hottest month on record globally. [21] September 2023 was the most anomalously warm month, averaging 1.75 °C (3.15 °F) above the preindustrial average for September. [ 22 ]
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According to the Los Angeles Almanac, 57.2 °C (135.0 °F) was the hottest temperature historically recorded among 20 Los Angeles County weather stations. However, a nearby UCLA weather station less than three miles away recorded nothing close to this extreme claim. The Los Angeles Almanac has since stated "we offer no grounds for challenging ...
China had its hottest month in observed modern history in July, Chinese state media reported, mirroring record hot weather seen around the world last month. Temperatures averaged 23.21 degrees ...
It’s hot, Chicago, but it’s been hotter. The first 100-degree day was recorded on July 16, 1887. When the Tribune reported on “how fashionable people solve the hot weather problem ...
July is generally the hottest month of the year globally, mostly because there is more land in the Northern hemisphere, so seasonal patterns there drive global temperatures. Copernicus records go back to 1940, but other global measurements by the United States and United Kingdom governments go back even further, to 1880.
The history of mobile phones can be traced back to two-way radios permanently installed in vehicles such as taxicabs, police cruisers, railroad trains, and the like. Later versions such as the so-called transportables or "bag phones" were equipped with a cigarette-lighter plug so that they could also be carried, and thus could be used as either ...