Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
A washing machine powered by a stationary bike
Pedaling turns the washer’s drum through a belt or chain, replacing the electric motor with human leg power. That makes laundry possible where electricity is…
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A chariot's wheel was also its weak point
The vehicle's speed depended on keeping its wheels, axle, and team working together. Damage to that running gear could take away the mobility that gave the…
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Inline skates came before quad skates
Joseph Merlin’s 18th-century skates lined wheels up in a row, like blades on ice. The side-by-side quad design arrived later, trading that straight-line feel…
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Heelys began with wheels pushed into a pair of shoes
Heelys hide a wheel in the heel, so leaning back turns a step into a glide. Lean forward and the wheel leaves the ground. The trick is less ‘new footwear’…
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An early bicycle design drove the rear wheel with rods
The Macmillan-type machine used reciprocating treadles connected to cranks rather than the familiar chain-and-pedal arrangement. A surviving museum example…
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Why Apollo's lunar landers were wrapped in gold foil
The gold-colored layers reflected sunlight and slowed heat from escaping, protecting the lander from brutal temperature swings. In space, there’s no air to…
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Bike sharing sells minutes, not bicycles
A shared bicycle moves between customers instead of belonging to one rider. Depending on the system, charges can include an unlock fee, a timed rental, or a…
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A bicycle moves its rider without carrying an engine
Your legs supply the power, the chain carries it to the rear wheel, and the tires roll instead of dragging across the road. The machine strips transport down…
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A Narnia wardrobe opens onto snow-covered woods
The wardrobe works as a portal because its familiar coats hide an impossible extra depth: push past the fur, and the back of the cupboard opens onto…
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Holding onto a thrown hammer cannot make you fly because momentum cannot pull you upward
A thrown hammer pushes you backward as you push it forward; those forces cancel for the two of you together. Your grip keeps you attached to the hammer, not…
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Drifting along a gentle artificial river
The current comes from pumps, and the winding channel keeps floaters moving in a slow circuit. The river does the walking for you; your main task is not to…
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Sliding down winding tubes of flowing water
Water runs ahead of the rider, making a slick film between body and tube so friction doesn’t turn every bend into a human speed bump. The twists steer the…
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Rolling inside a giant transparent bubble
The giant transparent ball rolls downhill around its passenger, with the air-filled wall cushioning each thump. It’s a scenic ride in which the scenery…
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Catapulting off a giant inflatable blob
A jumper lands on one end of the air-filled blob and forces it down. The displaced air bulges the other end upward, launching the person sitting there into…
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Sprinkling magical dust to float off the floor
Tiny outlets pump air under the load and lift it onto a cushion just thick enough to slide. Suddenly, heavy machinery moves with a shove instead of a…
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Floating through the sky in an enchanted sphere
Magic makes the sphere buoyant, so it rises with its passenger inside instead of needing wings or a vehicle beneath it. The result is personal air travel…
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Sliding down stairs in a sleeping bag
A sleeping bag’s smooth outer fabric slides over stair edges, while its padding softens the bumps. It turns a staircase into a makeshift chute—an amusing…
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Floating under a canopy towed by a cable
The boat pulls a parachute-like canopy through the air, and the airflow creates lift that carries the rider above the water. The cable does the towing; the…
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Being magically whisked away by ruby slippers
The slippers are less a pair of shoes than a return ticket: Dorothy clicks her heels and says she wants to go home. The magic handles the distance; the…
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Magic Kingdom gives its trash an underground express route
Waste dropped into collection points travels through pneumatic tubes to a central facility. Moving air does the carrying, keeping much of the process out of…
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Gliding forward three feet for every foot dropped
A glider’s wings turn falling through the air into forward motion: airflow over the wings creates lift while gravity supplies the descent. A three-to-one…
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Riding ocean waves on a small floating block
A bodyboard floats under the rider and lets a breaking wave push it forward. Lying low keeps the board close to the water, where the wave’s energy is…
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Floating up a supernatural factory transparent tube
A clear elevator shaft hides the usual visual clues, so the moving car seems to float through the factory. It still travels along a fixed route; the real…
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Shrinking to subatomic sizes to bypass obstacles
Subatomic particles behave like spread-out waves, not tiny billiard balls. When a wave reaches a barrier, a small part extends through it; the particle then…
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