Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Your ventilated car seat may be vacuuming you
In suction-style ventilated seats, small fans pull warm, damp air through holes in the upholstery. The seat is not literally eating you; it is just vacuuming…
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How to start a car with a dead key fob
Many push-button cars can read a fob's passive backup chip when you hold it against the start button, even if its battery is dead.
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Spare donut tires limit speeds drastically
A donut spare is narrow and built for temporary duty, not a long, fast run. Its speed limit keeps the little emergency wheel from being promoted to a…
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Hot air balloons use woven wicker for the baskets
Wicker is light and flexible, so it can absorb the shock of a rough landing without shattering as easily as a rigid basket.
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Headliners consist of fabric glued to cardboard
A headliner bonds fabric to a lightweight backing that holds its shape against the car’s roof. Heat wears down the adhesive, and the fabric sags into the…
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Floor mats use locking hooks to prevent sliding
The hooks bite into the carpet so the mat stays put when shoes shove against it. That small connection matters: a loose floor mat has no business taking a…
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Your car's carpet may be one enormous piece
A single molded carpet follows the car’s floor, then gets trimmed around seats and controls. Fewer joins mean fewer places for grit and road noise to sneak…
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Why your rear car window cannot roll all the way down
A car window slides down inside the door, but the rear wheel bulges into that space. The glass has to stop above the wheel arch rather than try to occupy the…
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Car visors feature hidden vanity mirror lights
Flip open the visor mirror and a small switch turns on its lights, bringing the face-check into the cabin instead of the driver’s lap. It’s makeup lighting…
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Camper slide-outs run on a simple geared track
A motor turns gears that bite into tracks beneath the slide-out, pushing the room straight beyond the camper’s wall. The track guides the heavy section so it…
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How ordinary sedans become limousines
A conversion shop cuts the sedan’s body and frame, inserts a longer section, then extends the driveshaft and reinforces the chassis. The extra cabin space…
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Fuel caps dangle from a cheap plastic tether
A flexible tether lets the cap swing clear of the filler opening without getting separated from the car. It’s not fancy engineering; it’s a tiny leash for the…
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Why Airstream trailers are built like vintage aircraft
Airstream trailers use curved aluminum panels riveted into a light, sturdy shell, much like an aircraft fuselage. The rounded shape also cuts air resistance…
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Monster-truck crews sculpt their tire treads with hot knives
A hot knife slices the thick rubber tread into the shape crews want, trimming blocks to improve grip on dirt and mud. It is tire maintenance by carving—like…
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Pop-up campers utilize heavy canvas side walls
Canvas gives a pop-up camper walls that fold down with the roof but still stand between sleepers and the weather when it’s open. The camper packs like a box…
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A hearse hides a practical loading system
Rollers under the coffin allow attendants to slide it into position rather than carry it across the entire compartment. The mechanism reduces lifting and…
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Rear window defrosters are painted wire grids
Those thin lines are conductive traces printed onto the glass. Electricity meets resistance as it flows through them, turning the rear window into a…
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The hidden pin that locks your car headrest
That small spring-loaded pin clicks into notches on the headrest’s metal posts, holding the headrest at the height you set. Press the release and it slips…
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Swamp buggies ride on six-foot-tall tires
Huge tires spread the buggy’s weight over a wider patch of soft ground, helping it float over mud instead of sinking in. Six feet of rubber turns a swamp into…
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Leveling jacks keep parked motorhomes from rocking
Leveling jacks press against the ground and steady the motorhome’s frame, reducing the rocking that comes from its springy suspension. They turn a parked…
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Your keyless car fob can unlock doors through walls
The fob sends a short radio signal, and radio waves pass through ordinary walls well enough to reach the car's receiver. The car checks the coded signal…
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Your car may be faking its engine noise
Some cars use speakers to add or shape engine sounds inside the cabin. That gives drivers a louder, sportier soundtrack than the engine alone provides. The…
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RV toilets drop directly into a vile black tank
An RV toilet drops waste into a sealed holding tank beneath the floor. A valve keeps the tank closed until a dump station empties it, so the plumbing hides…
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Why car engines hide under plastic covers
Plastic covers tidy up the engine bay and damp some engine noise before it reaches the cabin. Under the hood, the machinery still looks like machinery; the…
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