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Winged words, phraseological units. Meaning, history of origin, examples of use
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Poor in spirit
Bible
Phraseologism: Poor in spirit.
Meaning: People with a narrow outlook, low intellectual and spiritual demands (contempt.).
Origin: From the Bible. Gospel of Matthew (chapter 5, article 3): "Blessed are the poor in spirit, for theirs is the kingdom of heaven." Previously used in the meaning: humble, devoid of pride people. Sometimes the poor, holy fools (blessed) were called that.
Random phraseology:
Spend the night under the balloons.
Meaning:
To be arrested, to serve a sentence in a police station (in pre-revolutionary Russia).
Origin:
In St. Petersburg there were police and fire stations according to the number of urban areas. It was easy to recognize each such part by the watchtower, where sentinels walked around, in case of fire they hung black balls on the mast (lanterns at night). The number of balloons indicated the number of the district in which the fire started. At the beginning of the 1912th century (in XNUMX), watch towers were canceled, as new multi-storey buildings interfered with the view, but the expression “spend the night under the balls”, that is, in the police unit, was common among the people for a long time. |
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| Random news from the Archive Sensor for artificial lens
29.10.2007
German engineers have made a sensor that maintains constant pressure in the artificial lens.
When the lens clouded by cataract is removed from the patient's eye, there is a danger of atrophy of the optic nerve and blindness. To avoid this, you need to maintain a certain level of pressure in the eye. A person has to constantly use drugs and regularly be examined by a doctor. Scientists from the Fraunhofer Institute for Microcircuits and Microelectronic Systems have figured out how to help such patients.
"We built the sensor directly into the artificial lens," says Thomas van den Boom, head of the biohybrid systems group. The sensor consists of two electrodes and a microtransmitter. The top electrode is flexible, the bottom one is rigid. When the pressure changes, the upper sensor moves away from the lower one, which changes the electrical capacitance of the entire system. This change can be measured and the pressure calculated.
The sensor transmits information to the antenna of the receiver located in the temple of the glasses. The measurement results are displayed on their glasses so that a person always knows if the pressure has reached a critical value. An antenna in the temple of the glasses supplies the sensor with energy using electromagnetic radiation. This is understandable: you can place a battery in glasses, but hardly in a lens.
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