When did man start using a knife and fork? Detailed answer

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When did man start using a knife and fork? Detailed answer

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When did man start using a knife and fork?

Let's think logically. Imagine a time when there were no forks, knives and spoons. What do you think man would have invented before? Not a knife, as a person could break food with his hands. Not a fork, as he could pick it up with his fingers. But to eat liquid, especially hot food, he needed a spoon! So man first invented the spoon. Indeed, the found tools, similar to a spoon, belong to the Stone Age! The Egyptians made spoons from wood, stone and ivory, while the Greeks used bronze and silver spoons.

However, when a person began to use a knife and fork, it really was a big step forward. By the way, it was made quite recently. 300 years ago, knives and forks at the table were unusual things.

In France, until the XNUMXth century, they took food with their hands. This does not mean that knives and forks did not exist before that time. Ancient man used the likeness of a fork, but it was not like ours. It could be made from a small flyer. As you know, the first real forks were long, two-pronged, made of iron, bone or hardwood. They were used only for cooking and for holding meat when it was cut.

Forks began to be used at the table in the 300th century, but very few people were so refined that they needed a fork. The knife, of course, was one of the first inventions of man, in the sense that he made himself a cutting tool from flint or other stone. But there was no such tool as a table knife in antiquity. Even XNUMX years ago it was such a rarity that most people didn't know about it.

After the XNUMXth century, table knives appeared in England and soon became common. But poor people could not afford them, so most continued to eat with their hands.

Author: Likum A.

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How big are the stars?

Due to the extreme remoteness of the stars, no telescope can see a star as a ball of noticeable size. However, the diameter of a star can be roughly estimated based on the relationship between its size, luminosity, and surface temperature.

According to such estimates, the diameter of Aldebaran (alpha Taurus) is 36 times, the diameter of Arcturus (alpha Bootes) is 22 times, and the diameter of Capella (alpha Aurigae) is 16 times the diameter of the Sun. But this is far from the size limit of the giants of the stellar world - the diameter of Betelgeuse (alpha Orion) is 300-400 times larger than the solar one, and the diameters of two identical components of the eclipsing binary star VV Cephei are 1200 times larger.

At the same time, one of the smallest white dwarfs, the star Wolf 457, has a diameter 300 times smaller than the sun, or almost three times smaller than the Earth's. The diameter of the blue star discovered by Leyten in the constellation Cetus (designation LP 768-500) is 10 times smaller than the earth's and is approximately equal to the diameter of the asteroid Ceres.

Thus, the largest star is about a million times larger in diameter than the smallest one. And if we take into account that neutron stars have diameters of the order of 10 kilometers, then the ratio increases to a billion times.

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