Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Walking sticks offer a third point of firm ground contact
A walking stick gives you another contact point on the ground, widening the base that helps you stay balanced. It also takes some weight off a leg; suddenly…
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Donkeys have carried Wi-Fi to remote schools
Tech workers attach wireless internet hubs to donkeys, which carry access to local schools as they wander through remote areas.
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Ancient skates were made from animal bones
The bones were polished into runners and tied beneath the feet. They slid over ice, while poles supplied the push that a sharp metal blade gives a modern…
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Why some people choose to walk backward
Walking backward changes the job: your legs work different muscles, and your balance has to cope without seeing each step ahead. People use it for exercise or…
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Jefferson's dining room hid its service machinery
Monticello had small lifts for wine bottles and a revolving serving door for food. These devices reduced interruptions in the dining room while enslaved…
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A winery fault briefly sent red wine through household taps
In March 2020, a malfunction at a winery in Castelvetro, Italy, let wine enter the local water pipes. Around 20 homes were affected for roughly three hours.…
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Why pilgrims crawl on their knees
Crawling on the knees turns a pilgrimage into an act of devotion or penance: the effort itself becomes part of the offering. The destination is not just a…
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How loggers sent firewood down cliffs
Loggers built long wooden chutes down steep slopes and sent logs sliding through them, often with water to reduce friction. It turned a cliff into a timber…
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Some people crossed states by doing forward rolls
Each forward roll turns a person's body length into a little more distance, with no engine or wheels to do the work. Repeating that movement across state…
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India’s living bridges grow stronger with age
The Khasi people train aerial roots across rivers and weave them into sturdy walkways. Since the roots are still alive, they grow thicker over time; unlike a…
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Houses were once moved on logs
Logs acted as rollers: push the house forward, let the logs turn, then carry the rear log around to the front. It was a slow-motion moving truck with no…
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These sandals are made from old tires
The tire’s thick rubber becomes a durable sole, and its tread adds grip on dirt and uneven ground. A material designed to meet the road gets a second career…
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Milkmen historically delivered glass bottles entirely on foot
Glass milk bottles made each doorstep delivery a heavy little job, so milkmen carried crates along fixed neighborhood routes and left bottles at the door. The…
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Sheep can plant seeds with their hooves
Seeds hitch a ride in mud on a sheep’s hooves or snag in its wool. Then the sheep tramples them into new ground, operating a seed-planting service with no…
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Tea leaves fly over jungles on ropeways
Ropeways carry freshly picked tea over steep, roadless ground in suspended baskets. The cable crosses ravines and jungle without asking a truck to climb a…
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Basel turns a river swim into a trip through the city
During the summer, swimmers float down the Rhine with clothes and belongings sealed in waterproof bags. The current supplies much of the movement, while the…
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Why so much of America still has dirt roads
In rural areas, some roads carry too little traffic to justify the cost of paving and maintaining asphalt. Grading dirt is cheaper, so the road stays bare—and…
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A submarine hatch has to close against a very unforgiving outside
Where a hatch passes through the pressure hull, its opening, seal, and surrounding structure must withstand external water pressure. Compact dimensions help…
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From first flight to Moon landing in 66 years
The Wright brothers made a controlled powered flight in 1903; Apollo 11 landed on the Moon in 1969. Each advance built on the last—better aircraft, rockets,…
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How ancient builders dragged stones across sand
Workers poured water onto the sand ahead of a heavy stone sled. Damp sand clumps and firms up, reducing the sand that piles in front of the sled; the stone…
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Magnets can move your sushi around
A magnet beneath the track pulls a matching magnet in the sushi carrier, guiding the tray around the restaurant. The fish takes a magnetic commute, and nobody…
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Skipping wastes energy by launching humans upward
A skip repeatedly raises your center of mass, and your muscles pay for every lift before you land. You get extra airtime, but gravity charges by the hop.
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Grocery checkout belts automatically stop for food
A sensor near the checkout end spots an item reaching the scanner and stops the belt. That keeps groceries from piling into the cashier’s space; the conveyor…
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Squirrels bury heavy acorns in scattered zones
Squirrels scatter their buried acorns instead of piling them in one obvious cache. That makes a thief’s treasure hunt harder, though the squirrel’s own memory…
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