Why is a ballpoint pen so difficult to make?

An engineer who lost four fingers built himself a robotic hand!

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How scary is it to land a plane in a gusty wind? #Science #Relief #Aircrash #Knowledge

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Why do concrete mixer trucks throw up?

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Getting inside a giant balloon looks like a lot of fun, but it's actually quite challenging.

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Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

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Where’s the safest seat on an airplane?

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【男生慎入】女生第一次看小电影的体验

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Let’s take a look at the astonishing work site of skilled workers.

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Flesh is frail, machines ascend

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The “man-speed bump” — capitalists weep, Jews kneel

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Skilled Worker of the “Men’s Speed Bump”

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"Chronicles of the Dragon Ascension": A man unexpectedly acquires a cultivation technique, and his s

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Why are the extra-charge seats on a flight called “blind date seats”?

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110 teams battled for 36 hours to win $600,000! He took home the silver prize at the world’s largest

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I hear you’re really good at physics?

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The world’s Guangji Bridge is the earliest bascule bridge in history.

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Are the videos we watched fake? Has wild sex education been fooling us all these years?

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Why You Should Stay Away from Icy Lake Surfaces

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Why did steam turbines come to dominate global power generation? I was completely convinced after wa

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Living inside an iron lung for 68 years—death comes with every power outage. Why do perfectly health

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