Scenes from Germany around 1890-1900, colourized
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Man passes out after stranger applies mysterious ointment on his back

Depiction of Srasbourg, France around 1850
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Spot electrical discharge.
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Yosemite National Park. Photo by Jimmy Chin.
\#nature
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Chicago
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"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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