Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Funicular railways use two counterbalanced passenger cars attached to opposite ends of the same massive cable
A cable links the two funicular cars over a pulley: as one rolls downhill, it pulls the other uphill. The motor mainly handles friction and any weight…
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Some ancient tragic actors performed on platform boots
In Roman imperial-era theater, high-soled footwear could enlarge a tragic actor's stature alongside an imposing mask and padded costume. The effect was…
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The word visa once meant paper seen
Visa comes from a Latin phrase meaning “paper that has been seen.” It began as an official mark confirming a document had been checked—bureaucracy, in other…
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Why tow trucks lift cars by their tires
A wheel-lift slides forks beneath the tires and raises the car without grabbing its bumper or scraping its underside. The tow truck takes hold of the part…
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A tuk-tuk made a 23,245-mile journey
Susi Bemsel and Daniel Snaider traveled from Bangkok to Eichstätt, Germany, in 2005, covering 37,410 kilometers along the way. Their route crossed countries…
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Dump truck beds are officially called skips
In British usage, a dump truck’s open bed is a skip: a container built to carry loose material and tip it out. The hydraulic lift does the dumping; the name…
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Piggybacking puts flatbeds on flatbeds
In piggyback rail transport, a flatcar carries a truck trailer loaded with freight. The long rail journey handles the heavy haul; trucks take the trailer the…
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Dunnage secures cargo on flatbed trucks
Dunnage—blocks, straps, or inflatable bags—fills gaps and braces cargo against sliding when the truck turns or brakes. The load gets a snug nest; the road…
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The shuttle needed millions of pounds of push to lift off
Its main engines and two solid boosters together produced about 7.8 million pounds of thrust at liftoff. Much of that push initially went into lifting the…
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Wooden pallets can carry invasive insects across borders
An insect larva tucked under pallet bark gets a free ride across a border. That’s why international shipping rules require wood packaging to be treated and…
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Why passenger planes don’t hand out parachutes
A parachute is no magic exit button: passengers would need training, oxygen at altitude and a safe way out of a fast-moving aircraft. Commercial planes are…
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Baggage originates from an old French word for bundle
The word “baggage” traces to Old French bagage: a traveler’s bundle of equipment. The journey changed from pack animals to airport belts, but the word still…
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Why you sometimes forget miles of driving
On a familiar route, your brain spends less effort tracking every turn and more effort running the routine. It records the trip as a blur instead of a…
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Why astronauts may be grounded from driving after spaceflight
In orbit, the body stops practicing the small balance corrections that keep a driver steady on Earth. After landing, those reflexes need time to recalibrate,…
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Why cruise ships need city-sized amounts of power
Propulsion is only one item on the bill. Thousands of passengers also expect cold rooms, hot showers, working elevators, and dinner, so onboard generators…
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Early elevators needed an operator to line up each floor
The operator watched the floor slide past, eased the car to a stop, and lined its doorway up with the landing. Early elevators had no automatic leveling, so…
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When engineers tried to replace trains with hovercraft
A hovertrain rides on a cushion of air, cutting the rubbing friction that slows wheels on rails. But the cushion needs power and a carefully built guideway,…
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Why New Hampshire adults aren’t required to wear seatbelts
New Hampshire requires seat belts for drivers and passengers under 18, but leaves adults to decide for themselves. Its law treats grown-ups as responsible for…
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Garbage collection trucks achieve terrible fuel efficiency
A garbage truck spends its route stopping, braking, idling, and powering a hydraulic packer that crushes the load. It burns fuel while barely covering ground:…
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Deep ocean swells transfer energy instead of liquid mass
In a passing swell, water particles rise, fall, and circle back while the wave’s energy continues onward. The sea delivers the motion without delivering the…
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San Francisco bay ferries connect distant coastal suburbs
The bay separates these suburbs by land route but joins them by water. Ferries make the crossing a transit link, turning a stretch of open bay into a shortcut…
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Wheelbarrows pivot easily on very narrow footpaths
The front wheel acts as both support and pivot, letting a wheelbarrow turn sharply where a cart with four wheels would get stuck. Put the load over that wheel…
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Black cars became a target in Turkmenistan's white capital
Reports from Ashgabat in 2018 described authorities impounding dark-colored cars and owners having to repaint them white or another light color. The…
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Why moving walkways make you slow down
When people step onto a moving walkway, they unconsciously slow their walking pace to compensate for its motion. So although it feels like you’re moving…
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