Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport

When sack racing was serious Victorian sport
At Victorian sporting events, competitors climbed into sacks and hopped for the finish. The trick was keeping momentum without pitching forward, which turned…
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A painting helped give St. Bernards their famous neck barrels
Edwin Landseer’s 1820 Alpine Mastiffs Reanimating a Distressed Traveller showed a rescue dog with a small barrel. That image helped fix the accessory in…
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Sabotage has wooden shoes in its family tree
The word came through French saboter, associated with clattering along in wooden clogs and doing work badly. Over time it acquired the meaning of deliberately…
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People have been playing leapfrog for centuries
One person crouches, another plants their hands on their back and swings over; then the players swap places and repeat. Centuries later, the game’s genius…
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Why modern ocean liners feel like floating malls
Cruise ships pack in restaurants, shops and shows because the ship itself is the vacation for long stretches between ports. A floating mall is less a detour…
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A horseshoe protects a hoof that wears faster than it grows
Some working horses need protection because hard surfaces and workload wear down the hoof. A farrier attaches the shoe to the tough outer wall, where the…
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A cruise ship's rooftop pool is also a stability calculation
Water high above the hull adds weight where ship designers must account for it carefully. Its movement also matters, so pools are part of the vessel's overall…
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Why the bear crawl exhausts you so quickly
Each bear-crawl step asks your hands and feet to support you while your shoulders, core and legs hold your hips off the floor. Ordinary walking gets to stand…
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Why sneakers are called sneakers
Before sneakers, rubber-soled shoes made it easier to creep up without the clatter of hard soles. “Sneaker” is basically a shoe named after its stealth mode.
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Inflatable bouncy hoppers were highly unstable toys
The rounded inflatable base gives a rider a tiny, shifting patch of support, so each bounce moves the center of balance. The toy turns standing upright into a…
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Why babies crawl backward before they can go forward
A baby’s arms often get strong enough to push before the legs know how to drive forward. Hands plant, arms shove, and the knees trail behind—so the first…
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Why tractors fill their tires with liquid
Liquid ballast adds weight low in the tractor, pressing the tires harder into the ground for better traction and stability. The tractor gets more grip without…
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Motorcycles use dual throttle cables to prevent sticking
One cable pulls the throttle open; a second pulls it shut. If the return mechanism fails, the rider still has a direct way to close the engine’s air…
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Submarines manage buoyancy by flooding massive tanks
To dive, a submarine lets seawater into ballast tanks, adding weight until the boat sinks. To rise, compressed air pushes the water back out; the ocean’s…
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Cruise ship swimming pools use wave damping baffles
A ship rocks; the pool water sloshes. Submerged baffles break up the waves and drain their energy, so a swim doesn’t turn into an audition for a washing…
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Why riding a camel feels like being on a rolling ship
That rolling feeling comes from the camel’s side-to-side gait: its legs move in pairs along each side, shifting the rider with every step. The camel is…
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Why camels have feet like fleshy pancakes
A camel’s broad, padded feet spread its weight across the sand, so each step sinks less than a narrow hoof would. It’s the desert’s version of…
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Astronauts sleep attached to a wall so they don't drift away
A bed on Earth keeps you in place with gravity; a spacecraft has no such housekeeping service. Astronauts strap into sleeping bags attached to a wall, or wake…
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Tractors articulate in the middle for nimble steering
An articulated tractor bends at a joint between its front and rear halves. Instead of steering the huge wheels through a tight turn, the whole machine folds…
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How bubbles help icebreakers slide through ice
Air compressors pump streams of bubbles through holes below the waterline. The bubbles reduce friction along the hull, helping broken ice slide away instead…
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Motorcycles kill the engine if the kickstand is down
A small switch checks whether the kickstand is down and cuts the ignition if the bike is in gear. That stops the rear wheel from powering a motorcycle into…
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Fire engines pump specialized foam to smother flames
Foam gives firefighters more than water: it lays a cover over fuel so flammable vapors cannot keep feeding the fire. The flames lose their supply line, and…
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How fire engines draw water from lakes
The engine’s pump lowers pressure inside a hose reaching into the lake, and the air around the lake pushes water up into the truck. It’s atmospheric pressure…
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Why buses kneel at the curb
Air pressure in the suspension drops on the curb side, letting the bus settle down for boarding. The bus basically kneels to make the sidewalk stop acting…
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