What is "cyanotype"? Using sunlight to take photos can last for centuries!

The incredible "dislocation knife" is only connected to the ice skate at one point, so why can it ac

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Men's Speed Bump: Mechanical Edition

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Iran finally took action

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What would Vikings do if they suspected their wives of cheating?

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centaurs, centaurs

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Why can the boomerang fly back

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A girl attended a comic exhibition and was fed candy by a strange girl. After eating, the razor blad

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How a vibrator works

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When my aunt returned to her parents’ home, her little nephew was so excited that he ran to the cant

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How Tsunamis Are Formed (3D Principle)

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Some not-so-cold knowledge in Genshin Impact [Issue 29]

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The incredible "Laval tube": the wider the tube, the faster the gas flows. Do you know the principle

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The sea surface is turbulent—how does the drilling platform stay stable? Is it supported by pillars

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The incredible ulexite is opaque but can project objects onto its surface. Do you know the principle

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The ocean is so deep—how on earth are the piers of a cross-sea bridge built? After watching this, yo

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Why do horses need to be shoed? Doesn't it hurt when a nail is stuck in their hoof?

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Throwing objects from high places is very dangerous. Why doesn't a drop of water falling from a heig

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Incredible "miracle mirror", poke the frog with your finger and interesting phenomena will happen

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What is the "Super Mirror"? 12,000 mirrors and 20,000 tons of molten salt can generate electricity e

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What is "shellac"? You might have tasted this magical Indian glue, secreted by billions of insects!

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