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Videos

3:17
Why can general anesthesia knock someone out in just 10 seconds? What’s the principle behind it?
2 Views
2:36
A galloping horse sweats 15 liters over 10 kilometers—heat dissipation is its key to survival!
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2:46
Could today’s elevators still suddenly plummet? What exactly is the principle behind how elevators w
3 Views
2:21
How much do glass factories lose when the power goes out? How is the power supply system organized?
2 Views
2:21
How scary is a UV lamp, really? And how does it kill germs?
1 View
2:53
Why are there so many reinforcing bars in a nuclear power plant’s foundation? What is their purpose?
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2:28
Why did humans send duckweed into space? Its yield is far greater than you can imagine!
1 View
3:45
How Spooky Is Lake Baikal?
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2:42
How Does Heavy Fuel Oil on Ships Burn? And How Tricky Is It to Handle the Residue After Burning?
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