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@jurij0001

@jurijkovalenok1 • 26,400 subscribers

My name is Yuri Kovalenok. I take notes and experiments https://t.co/bJzRr7hU0u https://t.co/lTnwA56Diq https://t.co/f3D9daVX80

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Surface tension

Surface tension

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The Tesseract

The Tesseract

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An old Soviet device for demonstrating mechanical waves.

An old Soviet device for demonstrating mechanical waves.

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Self-creation of an electrical circuit
0:33
jurijkovalenok1's profile picture

Self-creation of an electrical circuit

@jurij0001

345,756 次观看 • 1 个月前

This isn’t a perpetual motion machine; there’s enough daylight to rotate this thing (the solar panels) in a graphite suspension made from a pencil.
0:49
jurijkovalenok1's profile picture

This isn’t a perpetual motion machine; there’s enough daylight to rotate this thing (the solar panels) in a graphite suspension made from a pencil.

@jurij0001

34,354 次观看 • 1 个月前

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