Lente de câmera f/0,38 feita com objetiva de microscópio de imersão em óleo
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Tentative de fabrication du plus petit moteur électrique au monde*
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The clever feature that makes cheap heaters safe — and why they're actually dangerous
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Here is how to solder capacitors off ad then back onto a board.
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What if you just keep zooming in?
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Slow Motion Microscope Inside a Watch - The Slow Mo Guys
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Building My Own Anamorphic Lens | Alum 1.33x Anamorphic
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À quoi ressemblent réellement les photos non retouchées du télescope Hubble ?
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