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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Innovative technology and design

Levitating light

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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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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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Twenty percent of the earth's surface is desert.

The opinion that a desert is a place where it is always very hot and full of sand is not true. Many deserts are covered with flat gravel. And very high temperatures during the day can drop below freezing at night.

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Rainbow

Not really an bow at all, but a circle. However, it is only possible to observe the whole rainbow from an airplane.

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The giant African Achatina snail is the largest land mollusk.

This exotic and at the same time very unpretentious creature becomes more and more popular as a pet every year.

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