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Winged words, phraseological units. Meaning, history of origin, examples of use
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Break a leg
Proverbs and sayings
Phraseologism: Break a leg.
Meaning: Good luck in anything.
Origin: Initially, the expression was used as a "spell" designed to deceive evil spirits (this expression was admonished to those who went hunting, it was believed that a direct wish for good luck could "jinx" the prey). The answer is "To hell!" was supposed to further secure the hunter. To hell - this is not a curse like "Go to hell!", But a request to go to hell and tell him about it (so that the hunter does not get any fluff or feathers). Then the unclean will do the opposite, and it will be what is needed: the hunter will return "with down and feather", that is, with prey.
Random phraseology:
Poor as Job.
Meaning:
About a poor, needy person.
Origin:
Job is a character in the Old Testament. He was righteous and did not anger God in any way. One day, the latter decided to prove to Satan that Job would remain righteous even as the last poor man. I took it and stripped him of everything. Job, indeed, did not betray himself, did not grumble, but showed amazing humility and humility to fate. Indeed, in poverty it is still possible to maintain dignity. |
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| Random news from the Archive Glass softens from weak laser light
20.11.2004
American scientists have discovered a strange effect: very small changes in the power of an ultra-weak laser can greatly change the hardness of germanium-selenium glass.
“It all started when my graduate student Yared Gump, who measured the hardness of the GeSe system glasses, began to bring me data every day that differed greatly,” says the head of the work, Ohio University professor Ratnasingham Suryakumar. “After a while, we guessed what these changes represent is an objective reality."
This glass, an alloy of 80% Ge and 20% Se, is a very interesting material used in electronics. Germanium is hard and selenium is soft. The proportion of 4:1 corresponds to the critical point - such a substance is no longer hard, but also not soft. To understand the reason for the change in properties, scientists examine hardness. And they do this by measuring the speed of sound - in a solid it is greater than in a soft one. And it is here that a beam of a super-weak laser, thin as a hair, appears on the stage - it is emitted by a device that measures the speed of sound in a solid body.
It turns out that increasing the beam power from just 2 to 6 milliwatts reduces the hardness of the glass by half! "It's as incredible as a police radar that changes the speed of a car with its radiation," says Professor Suryakumar. After the end of irradiation, the hardness of the material becomes the same.
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