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WINGED WORDS, PHRASEOLOGICAL UNITS
Directory / Winged words, phraseological units / You can’t break a butt with a whip

Winged words, phraseological units. Meaning, history of origin, examples of use

Winged words, phraseological units

Directory / Winged words, phraseological units

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You can't break a butt with a whip

Proverbs and sayings
Proverbs and sayings

Phraseologism: You can’t beat the whip with your butt.

Meaning: It is useless to fight with a stronger side, it is useless to do anything, the expended strength will go to waste.

Origin: Butt - the blunt side of a sharp tool (usually an ax), opposite the blade. The origin of the expression is associated with skirmishes between coachmen and attacking robbers: the whip is with the coachman, the ax is with the robber. The image is based on the opposition of a flexible whip to a solid metal butt.

Random phraseology:

Crawl like a plastunsky.

Meaning:

Crawl on your elbows without taking your body off the ground.

Origin:

Scouts - military scouts of the Cossack army of the New Zaporizhzhya (Kuban) Sich. During the hostilities, the scouts, hiding in the reeds, watched the actions of the enemy for hours. For this ability to lie flat for a long time, they were called scouts.

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The thermal conductivity of copper is improved 25.03.2014

A group of scientists, including Alexander Balandin from the University of California at Riverside and Konstantin Novoselov from the University of Manchester in the UK, published the results of an innovative way to increase the thermal conductivity of copper in the journal Nano Letters.

Copper is one of the main components of any chip. The thinnest copper conductors inside the chip connect millions of transistors to each other. In a modern processor, the total length of such conductors reaches 50-60 km. When passing through the conductors of electric current, they heat up, releasing heat, which must be removed.

In 2001, Pat Gelsinger stated that if the amount of heat generated by processors continues to grow at current rates, then by 2005 a single chip will produce as much energy as a nuclear reactor, and by 2015 - as much heat is emitted by the Sun (Gelsinger worked for 30 years at Intel, taking part in the development of the design of all the first processors of the corporation).

However, Gelsinger's prediction did not materialize. Engineers have found a way to curb heat generation while further increasing performance by lowering the clock speed and equipping processors with multiple cores running simultaneously.

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In order to solve this problem, the scientists in their experiment used a sandwich-like composite material in which a layer of copper was coated on both sides with layers of graphene. This made it possible to improve the heat dissipation of the copper conductor by 25%.

According to Balandin, graphene itself does not have any heat sink properties. The movement of thermal energy in a metal, as a rule, is hindered by its crystal structure. When applied to copper, graphene changes this structure, allowing energy to move more freely, the scientist explained.

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