The "poor man's bomb" explodes as soon as it is hit. Has it become a training prop?

A weapon of extreme simplicity yet formidable combat power: the ancient sling!

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How many “money-printing machines” are actually buried beneath Kuwait’s feet?

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Why is printer ink sold for more than champagne?

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Why did the workers dump clams into the mud?

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Why don’t motorcycles make their fuel tanks transparent?

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Why must concrete mixer trucks rinse their drums immediately after work?

53 Views

Why can a single jar spew flames like an engine?

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Thousands of wires have been severed—how will the master reconnect them?

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Why is there always a worker crouching in the most dangerous spot next to the piling rig?

64 Views

In China, it’s treated like a treasure; on Amazon, people actually eat it for dinner?

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

28 Views

Why must steel strands be first separated and combed?

32 Views

Wire is obviously very stiff, so why does it snap after just a few bends?

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Why does someone have to risk their life to retrieve a single drill bit?

27 Views

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

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A pirate dinghy approaches the giant ship—what can the crew do?

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Why is it that, among all trees, only this one has a solid black core?

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【男生慎入】女生第一次看小电影的体验

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Why does this arrow, thinner than a toothpick, strike terror into animals?

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Gay snuggle

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