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Spray-on touch screen

Researchers at the University of Bristol has challenged the idea that touch screens are limited to 2D and rectangular shapes by developing an interactive display that can be sprayed in any shape.

They have created ProtoSpray, which you just spray on the surface, and attach electrodes to it. As a result, any object made of any material will be able to light up and react to human actions.

Future applications, announced by the creators: doorbells, interactive tourist signs, etc.
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World's first extreme cyclist? Will Robertson of the Washington Bicycling club riding an American star bicycle down the steps of the US Capitol like a boss. 1885
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The safest countries in the world.

All countries were evaluated according to three criteria:
- risk of natural disasters;
- personal safety of residents;
- whether the country is at war or has preconditions for war.
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Bosnia-Herzegovina, Mostar, 1913. Original autochrome colour photo
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This absolutely fascinating waterfall is located close to the Peruvian city of Cajamarca.

This natural wonder clearly takes the shape of a woman wearing a bridal dress..

It's been named La Cascada de la Novia
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Cosmetics animal testing
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Under the force of gravity, the raisin descends to the bottom. Then gas bubbles form on the rough surface of the raisin.

When there are enough bubbles, the expulsive force (Archimedes' principle) will cause the raisin to rise to the surface of the carbonated water. At the surface, the gas bubbles burst, and gravity causes the raisin to sink back down again.
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Austro-Hungarian soldiers after a hunt on the Isonzo front, 1917
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Why doesn't the Leaning Tower of Pisa fall?⁣
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Initially, the architect, Bonanno Pisano, who wanted to build the Leaning Tower of Pisa, conceived it as a straight line. The slope occurred due to the fact that the base of the tower stands on clay soil. This is not surprising, because the mass of the entire tower is equal to 14,500 tons.⁣
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When the foundation was already laid and three floors were erected, the builders noticed that the tower was deflected away from the vertical and work was stopped, but soon resumed again.

In total, the construction of the Leaning Tower of Pisa took 200 years. When the tower was fully completed, the slope was already almost 1.5 meters. After the completion of the work, the tower continued to fall, and the city authorities decided to carry out work on straightening and strengthening the structure.⁣
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At the moment, there is no danger of the tower falling, but it continues to tilt by several millimeters per year.⁣
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Engineers are never bored even in their old age 😁

The Triple Valveless "beast" jet kart test.

Fixture for the safe disarming of defective cartridges by removing the bullet from the cartridge case.

Mice in space)
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Why did Elizabeth II refuse to sit on the Iron Throne?

During a visit to Northern Ireland, Queen Elizabeth II visited the set of the TV series "Game of Thrones". There she was offered to sit on the Iron Throne, but the queen refused.

The showrunner of the series, David Benioff, later explained that there is an informal rule according to which monarchs should not occupy the throne of a foreign state, and Elizabeth II showed courtesy, although the throne was from a fictional world
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Professional skateboarder Rodney Mullen in 1984
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Engineering strengthening of slopes
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