stackyFACTSHuman muscles are completely useless against the pulling force of a fully deployed sail caught in a storm. To trim the lines without losing an arm, sailors wrap the ropes around geared drums. Cranking a handle applies massive mechanical advantage, taming forces that would otherwise shred a person's grip.
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Having your engine stubbornly rev at maximum power while trying to stop is a terrifying flaw that requires a dedicated pull-back wire. While one cable pulls…
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Instead of firing rockets, spinning heavy metal discs inside the ship angrily twist it into facing the right way. Conservation of angular momentum means if a…
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You aren't operating that rubber mat with your mind; it's just basic sensor tech. The belt aggressively ferries your selected food items toward the cashier…
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Because manually yanking a giant bedsheet out of a backpack while falling at terminal velocity is a highly flawed idea. You toss out a cute little pilot…
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Turning the freezing ocean into a giant jacuzzi helps the steel slide right through the frozen wasteland. High-volume air compressors pump thick streams of…
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Without a giant hunk of concrete strapped to the back, these massive lifting towers would instantly tip over. The entire system relies on keeping gravity…
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