Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Plastic carpet sliders eliminate furniture friction
A plastic slider under each furniture leg replaces rough carpet contact with a slick surface, so the piece glides instead of digging in. The couch still…
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Salmon get shot over dams
A pneumatic tube system originally designed for fruit sucks up migrating salmon and shoots them over dams, helping them reach their spawning grounds.
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Waiter trays balance massive meals on one palm
A waiter keeps the tray’s weight centered over the supporting hand, then makes tiny wrist adjustments to steady it. The palm is the pivot and the arm is the…
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Sedan chairs provide open-air carried seating
Porters carry a sedan chair on poles, so it rolls over neither cobbles nor stairs; people simply lift it across. The open sides keep the passenger in the air,…
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Alpacas gently carry light cargo across mountains
Their compact build and padded feet suit steep, rough paths, so alpacas carry light packs where carts struggle to go. The cargo stays modest: mountain…
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The ocean can carry a tree for thousands of miles
A tree floats because its wood traps air, and ocean currents carry it like a giant, slow-motion conveyor belt. After thousands of miles, the tree has had a…
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Bruges built an underground route just for beer
De Halve Maan connected its historic brewery to its bottling plant with a pipeline. Pumping beer beneath the city reduced the need for heavy transport through…
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Timber rafts transport thousands of massive logs
Logs are lashed together into rafts and guided downstream by the river’s current. Bundling them turns thousands of awkward trunks into one floating…
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Why ice skates glide across the ice
The skate’s edge presses into the ice and friction warms a microscopic layer beneath it, making a slick film for the blade to slide over. The skater isn’t…
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Surfboards capture the immense power of sea waves
A surfboard floats under the rider, then its shape helps it skim across the water as the wave pushes from behind. The fins keep it pointed where the surfer…
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Why you carry every grocery bag at once
Carrying everything at once saves a second walk from the car, so people stack bags until their fingers file a formal complaint. The load is awkward, but the…
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How Florida orange juice travels through factories
At the plant, oranges are washed and squeezed, then the juice is pasteurized to kill microbes. For concentrate, evaporation removes water so the product takes…
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Human chains transport heavy sandbags to floods
A human chain turns a flood response into a hand-to-hand conveyor: each person passes a sandbag to the next instead of trekking back and forth. The river gets…
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Swimming requires fighting against liquid drag
Unlike air, water is dense enough to resist each kick and arm pull. Swimmers reduce the fight by keeping their bodies streamlined—less splashy wrestling, more…
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Why a flexible pole keeps heavy loads steady
A flexible pole bends when the load bounces, then springs back instead of passing every jolt straight to the cargo. It works like a long, simple shock…
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Mother cats transport kittens via neck scruff
A mother cat grips the loose skin at a kitten’s neck, and the tiny passenger tucks in and goes still. Nature’s carry-on luggage comes with its own handle.
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Baggage carousels are loops of endless waiting
A baggage carousel is a conveyor belt bent into a racetrack, so staff load bags while the belt keeps circling. Your suitcase gets another lap; you get another…
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Heavy backpack items must sit close to the spine
A heavy item at the back of a pack acts like a long lever, tugging your torso backward with every step. Slide it close to your spine and you shorten that…
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The part of the Moon lander left behind
The descent stage supplied the engine, fuel, and landing legs; the astronauts blasted off in the smaller ascent stage and left the heavy hardware on the lunar…
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Why cockpit voice recorders keep only two hours
The recorder keeps overwriting its own oldest audio, preserving just the latest two hours. That window focuses on the part investigators need most: the run-up…
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The aircraft that fits in a backpack
It skips the runway and the pilot: tiny electric rotors lift the aircraft, while a camera sends back a view from above. A backpack-sized eye in the sky, minus…
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Commercial jet windows feature curved oval edges
A pressurized cabin pushes outward on an airplane’s fuselage, and sharp window corners concentrate that stress. Oval edges spread the load more smoothly, so…
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Skydivers use a tiny parachute to open the big one
The small chute catches the air first and yanks the packed main canopy out of its container. That controlled pull helps the big parachute open cleanly instead…
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How space stations turn trash into fire
Cargo spacecraft carry station rubbish away, then burn up during a controlled reentry into Earth’s atmosphere. The trash goes with them, turning disposal into…
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