What did the Celsius scale originally look like? Detailed answer

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What did the Celsius scale originally look like? Detailed answer

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What did the Celsius scale originally look like?

In the original Celsius scale, the freezing point of water was taken as 100 degrees, and the boiling point of water was taken as 0. This scale was inverted by Carl Linnaeus, and has been used in this form to this day.

Authors: Jimmy Wales, Larry Sanger

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What do the Statue of Liberty and the Eiffel Tower have in common?

The Statue of Liberty is one of the symbols of America. It was a gift from French citizens for the centenary of the independence of the United States of America. True, the monument was assembled and opened in 1886, when 10 years have passed since the anniversary. The pedestal for her was built by the Americans, and the statue itself was built by the French.

The French sculptor Frederic Auguste Bartholdi, who was entrusted with the creation of the statue, needed the help of an engineer, because the statue was very large. And this engineer was Gustave Eiffel - the future creator of the Eiffel Tower. He designed a steel support and a frame that holds the statue's skin (it is hollow inside).

The Eiffel Tower was built for the 1889 Paris World's Fair. It was supposed to stand for only 20 years, but remains one of the sights of Paris right up to the present day. The tower was built in record time - 2 years, 2 months and 5 days.

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Not only warming 21.06.2011

As you know, when fuel is burned, carbon dioxide is released, which contributes to global warming. Less attention is paid to the fact that when oil, gas and coal are burned, water is also produced - from the hydrogen included in these fossil fuels. Is there a lot of it?

Australian physicist David Williams became interested in this issue. According to his calculations, in the entire history of mankind until 2000, 335 cubic kilometers of water went into the air with the smoke of combustible fossils. Considering that it was distributed over the oceans, seas and lakes (the total surface is about 360 million square kilometers), their level increased by about 0,95 millimeters.

By the end of the XNUMXst century, this increase in the level due to the burning of hydrocarbons will be about four millimeters.

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