Can a Fresnel lens melt HRB400 rebar?

Have you lit the lantern yet?

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Little sister brings her classmates home to cook—brother’s reaction

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【DIY】Super long marble orbit

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Who know this? An old handicraft

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[Insanity] What is the experience of grinding bones to jade? Even more moist than white jade!

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It turns out that mice don’t communicate with each other, and the last one was so miserable

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Someone spent 20 hours polishing the rebar by hand! are you crazy?

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How many days does it cost for a host of worms to consume an apple?

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Is There a Supernatural Phenomenon in the Bermuda Triangle? Scientists: The Legendary Sea Monster Mi

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Seeing the collision of atomic nuclei with the naked eye

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The painstakingly cultivated E. coli all died—thinking of tossing my thesis defense into the incubat

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How long can wood blocks stick out before they collapse?

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[Game] Making a Perpetual Motion Machine in "Minecraft"

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Tie a rocket made of 60,000 matches to a car and see how far it can be pushed?

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Battery: Why should I let you play with my own electricity?

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Slime Experiment!

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High Voltage Toys 8

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What happens when leeches meet mustard?

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The Soviet human-ape hybridization experiment: Five girls were allegedly crossbred with chimpanzees.

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