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Thermal drilling of metal

Thermal drilling technology is based on the principle of plastic deformation of metal. In the process of impacting a thin-walled piece with a drill bit, due to the friction of the tool tip against the metal, the latter is plastically deformed and a through hole is formed.
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Comparison of sizes of space objects
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How to make movies with animals
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Thunderball⚡️

It is called a ball of energy floating in the air in the form of a luminous ball.

There is a theory that this phenomenon is a large drop of liquid atomic hydrogen, which is in an excited unstable state.

It arises as a result of electrolysis of water under the influence of fields and lightning currents. The specific weight of this substance is almost equal to the weight of air, which allows the lightning to "float".
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Homemade heat machine with holiday spirit

Rotary motion results from the convection of hot air due to the flames of two tea candles.
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Triboluminescence is an optical phenomenon in which light is generated when a material is mechanically pulled apart, ripped, scratched, crushed, or rubbed.
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Election results in North Korea in 2019
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Countries using plastic currency (plastic banknotes)
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Experiment with the Jeep Wrangler 🚙

SUV behavior on the road with square, hexagonal, oval and triangular wheels.
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