What language has a word for a warrior attacking a passerby to test his weapon? Detailed answer

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What language has a word for a warrior attacking a passerby to test his weapon? Detailed answer

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What language has a word for a warrior attacking a passerby to test his weapon?

In Japanese, there is a separate word "tsujigiri" to refer to the situation when a samurai, after receiving a new katana or learning a new style of combat, tests the effectiveness of a weapon on a random passerby, usually at night.

The practice spread during the Sengoku period, when Japan was fragmented, but was banned on pain of death after the establishment of the Tokugawa shogunate.

Authors: Jimmy Wales, Larry Sanger

Random interesting fact from the Great Encyclopedia:

Is it true that centipedes have XNUMX legs?

Have you ever turned over a flat stone or a rotten log, under which you could see small worm-like creatures quickly running away from the light? Most likely they were centipedes.

Naturally, there was no way for you to count all their legs to see if there really were hundreds. Some of these creatures have hundreds of legs, others even more. And some have only 30 legs.

Although it may seem surprising to us how this living creature can have so many legs, they are not as rare in nature as one might think. There is a whole group of insects that are called "thousands". Incidentally, centipedes are one of the oldest living creatures.

According to scientists, centipedes have existed for millions of years. While many people have difficulty walking on their two legs, centipedes manage their hundred legs without much difficulty. Their legs are arranged in pairs, and each pair grows from a segment of the centipede's body, which is flat and equipped with many articulations. In the next section of the centipede's head are two long antennae and two venomous hooks.

The venom of most centipedes is harmless to humans, but there are some species in the tropics, 20-25 centimeters long, whose bites can be dangerous. Such centipedes are known for being able to kill even small birds!

Millipedes reproduce by laying eggs in open areas. Some of them are born already with a full set of legs. Others are born with seven pairs, and the rest of the legs are added each time they change skin until they are fully grown. Centipedes come out at night to search for food, and during the day they hide under rocks or rotten trees.

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There is enough wind for energy for everyone 09.06.2005

If humanity wanted to satisfy its needs for electricity only at the expense of wind, an area equal to Saudi Arabia would have to be occupied by wind power generators, and electricity would have doubled in price.

This is the result of a study conducted by employees of the University of Utrecht (Holland). They divided the entire land area, except for mountains, densely built-up areas and nature reserves, into 66 sites and assessed the wind energy potential of each. At the same time, it is assumed that it is economical to use the wind if its average speed in this particular section exceeds 4 meters per second.

It turned out that 20% of the land area has such an average annual wind speed. If we use all this potential, we would receive annually 96 petawatt-hours of electricity, which is six times more than the world's consumption in 2001. But at the same time, electricity would have risen in price by 26 times.

However, if we limit ourselves to the level of 2001 and install four windmills with a capacity of one megawatt per square kilometer (the actual density of deployment at some wind farms is now four times higher), then only 2,4 million square kilometers will be needed to satisfy all needs, and the price energy will only double.

In most parts of the world, there is more than enough wind to meet all energy needs. So, in the territory of the former USSR, wind energy is 12 times more than necessary, in Western Europe - twice, in the USA - five times, and in East Africa - 358 times.

Unfortunately, in a densely populated region like Southeast Asia, the wind tends to be very weak. And, in general, it is impossible to completely rely only on the wind - this element is very changeable, and in order to equalize supply and demand in different areas, it would be necessary to create a single world power transmission system.

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