Laser Eavesdropping Demo That Non-Secret Personnel Can’t See

Converting water into hydrogen is so easy - How to make a simple hydrogen generator!!!

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Balenci | 激光表演 | Lasershow I made with OPT-PR4

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So cool—laser sword moves designed by a foreign girl

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[Science] Amazing science magical toys to astonish you

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Water will flow uphill

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The moment the liquid aluminum was poured in, the ant nest immediately burst into flames! smoke ever

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Releasing an ant queen in a crowd of hungry mosquitoes, how will it end?

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The power of science

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This isn't magic, this is a science experiment.

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Every little science experiment can be explained using scientific knowledge.

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The foreigner's giant plow tractor actually has a cab from the last century!

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【Resin】Exploding lizard？Let's preserve it in resin.

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Film|Shūji Terayama|"Pastoral: To Die in the Country" (1974)

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A millennium-old mystery—anyone who understands can step forward and explain it.

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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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Slime Experiment!

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Grass cutting knife 666

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Play a "Only my railgun" with your fingertip laser railgun (funny)

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Good guy, there will be no need to build bridges in the future.

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What Creatures Can Take Blood From Leeches?

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