Technique, industry, architecture - Clock details. Crosswordist's Handbook

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Reference book crossword. Quick word search by mask. Watch details

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Crosswordist's Handbook

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Technique, industry, architecture / Instruments and tools / Watch parts

(5)

ANCHOR

QUARTZ

RUBIN

(6)

BALANCE

A ROCK

(7)

PENDULUM

SPRING

REPETER - the mechanism of an old watch

ARROW

(8)

BALANCER - clock regulator

(9)

REGULATOR

(10)

CLOCK FACE

Word search to solve the crossword puzzle:

Replace each unknown letter with *. For example, dog * ka, * oshka, we ** a. Pairs е - ё, and - й are equated.

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Random news from the Archive

Supersteel modeled after human bone 14.03.2017

An international team of scientists from the University of Kyushu (Japan), the Max Planck Institute (Germany) and the Massachusetts Institute of Technology have developed supersteel. They took a human bone as a sample - it is light, strong and resistant to cracking due to its hierarchically organized structure. As a result, the new material does not experience a phenomenon known as metal fatigue for longer. The developers presented their results in an article in the journal Science.

Human bones have a complex structure - at the nanoscale, tiny collagen fibers are organized roughly like a laminate, i.e. with different layers of fibers oriented in different directions. At the micro level, the bone has a lattice structure and specially arranged voids, due to which the bone becomes light and strong at the same time.

The new supersteel has a similar structure at the nanoscale. In addition to the layers, which help to limit the propagation of already existing cracks to the layer in which they originated, various alloys with different strengths are used in the material. Thanks to this device, the resulting cracks spread each in their own way, which helps prevent its growth. In addition, because some areas are more flexible than others, the energy of repeated loads is absorbed and can sometimes close the resulting microcrack.

Because of all this, the new steel is much more resistant to metal fatigue, which will allow it to be used to create many structures - for example, bridges and spacecraft - less prone to unexpected destruction.

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