stackyFACTSCreating curved moving stairs is so incredibly complex that only one company on earth effectively manufactures them, making them a rare and wildly expensive flex for malls.
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It’s not broken, it’s just designed to annoy you into staying alert. The rubber handrail loops around a different set of pulleys than the heavy metal stairs,…
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The only machine that, when it breaks down, simply becomes the exact thing it was supposed to replace, just with aggressively uncomfortable metal ridges.
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Nothing screams 'fun for the whole family' quite like standing completely still on a moving staircase. The first working escalator, patented by Jesse Reno in…
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The Otis company fiercely protected the name until they foolishly used it as a generic term in their own advertising, legally losing the exclusive rights to…
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Linear movement is incredibly boring, so engineers decided to bend metal tracks into a curve. Spiral escalators are mathematical nightmares that pull…
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Escalators are bizarrely fragile pieces of public transit. Despite supposedly being heavy-duty machines, a single misaligned shoelace can shut down a moving…
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