The amazing Crookes radiometer can measure light intensity with just a few leaves! Do you know the p

As long as you use the right method, work won't be that tiring.

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The ancient navigational tool "Sextant" is still in use today! Do you know how it works?

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Can ice bullets really withstand the high temperature of gunpowder and become invisible after being

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There are no such things as "useless people" in this world—when properly utilized, everyone is a tre

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Learn a few handy tips for hardware tools—don't miss out!

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A profession that is easily misunderstood - rope bondage master

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The Days of the Jackal (1973) 🆚 2024

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Why do we add a layer of metal between the hammer head and the wooden handle? #Science #StressRelief

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Incredible "cotton ice cubes" are as strong as reinforced concrete! Can they be used to build aircra

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How do fishing nets work? Why are they able to catch fish even though the bottom is empty?

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How powerful is acetone? Press the cup into the liquid and an incredible phenomenon will happen.

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Interesting "invisible building demolition method" eats up 140-meter-high buildings from top to bott

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How did the ancients make salt? Can you make edible salt by boiling seawater dry?

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What is "metal fatigue"? Why can tiny cracks trigger catastrophic accidents?

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A question that has puzzled people for many years: Why does paper become transparent after being sta

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Ingenious "Bend Compensation": Why Do Pipes Intentionally Bend? A Small Design with Big Benefits!

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稀土是什么？“中东有石油，中国有稀土”！了解中国稀土的重要性

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What is "polarized light"? Put a spoon in front of a computer screen and an interesting phenomenon w

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What is the use of "lotus root stem silk"? Why is it mixed into ink and sold for more than gold?

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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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