Do no harm. Meaning, origin, examples of the use of phraseological units

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

Winged words, phraseological units

Directory / Winged words, phraseological units

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Do no harm

Latin
Latin

Phraseologism: Do no harm.

Meaning: Act with others thoughtfully, without risk.

Origin: The expression "do no harm", or "primum non nocere" (literally: "first of all, do no harm") is the oldest principle of medical ethics, usually attributed to Hippocrates.

Random phraseology:

Wait a bit, and you will rest.

Meaning:

Quoted as a formula for consolation in a difficult situation (jokingly ironic).

Origin:

From the poem "From Goethe" (1840) by M. Yu. Lermontov (1814-1841): "Mountain peaks // Sleep in the darkness of the night, // Quiet valleys // Full of fresh haze, // The road does not dust, // Do not tremble sheets... // Wait a bit, // You will rest too." This is a translation of the famous poem by the German poet and scientist Johann Wolfgang Goethe, "Mountain Peaks", made by M. Yu. Lermontov.

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The battery heals itself 22.11.2013

Scientists from Stanford University have developed the first electrode that has the property of self-healing. This can significantly extend the life of lithium-ion batteries for electric vehicles, smartphones and other devices. The secret lies in the coating of the electrode with an elastic polymer, which tightens microcracks in the electrode material that occur during battery operation.

"Self-healing plays a critical role in the survival and longevity of animals and plants," commented Chao Wang, a Stanford University researcher and co-lead of the project. "So we decided to provide this property to lithium-ion batteries so they can last longer. ".

Wang came up with the idea of covering the electrode with an elastic polymer after meeting a team in a lab that is developing electronic skin for robots. He took the material used for this purpose as a basis, adding graphite nanoparticles to the polymer so that the material conducts an electric current.

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