The first novel printed on a typewriter - "Tom Sawyer"
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The way soap acts?

Liquid molecules experience mutual attraction forces, thus causing surface tension.

By getting into the surface layer of water, soap molecules noticeably weaken the surface tension forces.
Soap and laundry detergents reduce the surface tension of water, increasing its permeability. Therefore, soapy water soaks in and cleans fabrics and other materials, taking the dirt away with it.
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Calgary, Canada
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Singapore
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Republican Assault Guard in Barcelona during the Spanish Civil War, 1936.
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The kinetic sculpture of the stepper motor

The base provides a pulse of rotational energy for transformation.
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Gdansk, Poland
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How it's done - the pant belt
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Siva Oasis, Egypt
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Army Bot

Although these bots are quite similar to Boston Dynamics robots, they are the creation of Ghost Robotics, a company that focuses on building robotic systems for the military.

The Q-UGV quadrupeds are very strong, waterproof, able to rise quickly after a fall, have high passability, can conquer distances up to 12 km at an average speed of up to 7 km/h.

They are about to enter service at Tyndall Air Force Base in Florida in the near future.
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Octopus wolfi is the smallest octopus in the world
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How gorgeous is this😍

The visualization demonstrates all the lightning recorded by meteorologists in August/September 2019.

What do you feel?)
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Photo by Andrew Parkinson
\#nature
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