Чуть не взорвался примус ПТ-1. К чему привели мои эксперименты?
Another experiment with the PT-1 stove nearly ended in an explosion. Fortunately, the explosion (safety) valve worked.

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The Surprising Flaws in 18650 Lithium-Ion Batteries

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The Professor Who Taught People How To Think (1962)

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Гептил. Самое опасное вещество СССР

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Got Waste Oil! ..... V2.0!

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I Built a Slingshot More Powerful than a Gun

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Electricity Does Not "Split" H₂O. And That's VERY Useful.

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Why Roads Get Washboards

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Perfectly Replicating Coca Cola (It Took Me A Year)

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I Tried to Make a Better Fan

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The Dark Story Behind the Napier Deltic: The Bizarre Triangle Engine Powering Rails and Warships UK

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MOSFET vs Transistor vs Relay: Most People Get This Wrong

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Something is jamming GPS over Europe. Here's what we found

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Well Insulated Gas Forge 🔥
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Old Rusty Fan [Restoration]: Emerson 29646

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waste oil heating stove mini 3 in 1 ! Millions of people do not know this knowledge

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I Gave ChatGPT a Body

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I MADE MY OWN GASOLINE! How to Turn Plastic into Free Fuel at Home

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How did they make this in the 1800's?!

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Toothless Gears Make Much More Torque Than Conventional Ones, Here's How. Cycloid Drive Explained

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