World of Knowledge – Telegram
World of Knowledge
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The most unusual facts collected from around the world🌎

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If you decide to do something and don't start within 72 hours, in 85% of cases you will never do it.

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This robot can generate water from the atmosphere on Mars

It can also be used on Earth.

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The trained rhinoceros bird.

Like other members of the genus, it differs from the true Kalao in having a supraorbital with several transverse, horny, calloused elevations in the form of folds instead of a horn.

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A unique mantis crayfish.

Despite its cute appearance, this marine predator is very insidious. The mantis crayfish is capable of striking with its claws with the force of a .22 caliber bullet!

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The architecture of buildings in Singapore.

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The city of Yanjin, built along the Nanxi River between the steep mountains of China's Yunnan Province, is considered the narrowest city in the world 🤔

At its narrowest point, Yanjin is only 30 meters wide, while the widest part of the city is about 300 meters.

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The 1976 Apple computer in a wooden case, one of two hundred models created by inventors Steve Jobs and Steve Wozniak at the dawn of their careers, sold for $400,000.

After more than forty years of service, the device is still functioning.

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The author of this unique picture is Francisco Negroni. He took the photo while observing the eruption of the Calbuco volcano in Chile.

This rare natural phenomenon is called a "Muddy Thunderstorm". Such lightning occurs when negatively charged ash particles and positively charged volcanic gases collide.

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See how acid alkaline gloves are made 🤔

Gloves are designed for work involving various aggressive, chemically active substances (salts, aliphatic alcohols, non-aromatic hydrocarbons, animal and vegetable fats and oils, low concentration acids, diluted alkalis, dyes and detergents).

Gloves are made of rubber and latex, these materials provide complete protection.

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From a series of useful urban innovations in China.

A bench in a city park with solar panels that you will wipe dust off with your pants while your cell phone charges through the induction unit. 🤔

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This is the multiplication method used in Japanese schools

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It has been scientifically proven that even a faint sense of power alters the functioning of the human brain and reduces its capacity for empathy.

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It looks like a giant strawberry, but is actually a Vietnamese gak.

Its flesh is not eaten raw, but added to porridges or roasted.

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Alchemy in the 21st century 🌟

Turning ordinary metals into gold is a task that alchemists have been struggling with to no avail. Nowadays it is quite possible with the help of nuclear reactor or elementary particle gas pedal. However, the cost of such synthesis is many times higher than the market price of gold, which makes this procedure pointless.

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Youtuber James Hobson and his team have created a real lightsaber that reaches temperatures of 4000 °F (2200 °C).

The sword itself is a plasma beam that is generated from liquid propane and oxygen gas and released in a laminar flow through a gas nozzle.
You can even change the color of the sword by adding different salts

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No tricks, just our brain's perception of color 😱

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This is how firefighters train to climb a 4-story training tower with an assault ladder.

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