"Black Crack" in Canyonlands National Park, UTA, \#USA.
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Namibia, Africa

\#nature
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Kyiv
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An intriguing experiment with a samurai sword and a Tesla coil.

The Tesla coil or transformer generates a powerful electrical discharge based on the swinging principle. The device features two coils of wire with current flowing at the same frequency and amplifying the electromagnetic field.

Electrons around the transformer seek out a conductor and escape into it, like lightning discharges into a lightning rod.
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🇫🇷 Porte Saint Denis, Paris, 1914, original autochrome colour photo
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The very first prototype of a medical mask can be considered the mask of the "plague doctor". Hundreds of years ago, it was believed that this form helps to avoid infection.

The beak of this product was filled with various medical herbs. Doctors of that time believed that the air was "purified” by passing through herbs
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Stone crushing mechanism
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India to become the world's most populous country

India's population is expected to reach 1,425,775,850 people by the end of April, surpassing China's population. The UN Population Fund predicts that India will have 2.9 million more people than China by the middle of 2023. China's birth rate has plunged recently, and its population is expected to drop below 1 billion before the end of the century.

What are the implications of India becoming the world's most populous country?

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Tornado forms around a car in seconds
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St. Edmund, king of East Anglia, met his death in 869 during the invasion of the pagan Danish armies into Britain. According to tradition, he refused the Danes’ demand that he renounce Christ. The Danes beat him, shot him with arrows and then beheaded him. St. Edmund was the patron saint of England 🏴󠁧󠁢󠁥󠁮󠁧󠁿 until replaced by St. George in the Middle Ages.
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