Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Why ambulances need air suspension
Hitting a rough pothole while someone is trying to insert an intravenous needle requires a ride significantly smoother than a standard truck. Inflatable…
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Sailboats use mechanical winches to handle sail tension
Human muscles are completely useless against the pulling force of a fully deployed sail caught in a storm. To trim the lines without losing an arm, sailors…
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Why school buses use padded seats instead of seatbelts
Tightly packing youths between highly padded seats works shockingly well at keeping them exactly in place during an impact. Instead of strapping everyone…
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Some fire trucks need a second driver
Driving a ridiculously long truck around tight city blocks is physically impossible without a second driver sitting at the very back. The tiller operator sits…
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Why bus doors fold inward
Sweeping innocent bystanders off the sidewalk is generally frowned upon by municipal authorities. When a large passenger vehicle pulls up to a crowded curb,…
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Motorcycles feature sequential gearboxes shifted by foot
Skipping a gear isn't an option when your transmission physically forces you to click through every single one in order. Using a toe lever, riders notch a…
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Why ambulances have backward text on their hoods
Spelling things backward ensures panicked drivers can actually read what is aggressively tailgating them in their mirror. When emergency responders are…
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Wheelchairs utilize cambered wheels for physical relief
Angling the massive back wheels outward isn't merely a stylistic choice, it physically saves the user's shoulders from utter destruction. By placing the top…
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How cruise ships turn seawater into fresh water
Serving salty ocean water in the showers is a terrible look, so these floating cities boil it fresh onboard. Massive evaporators suck in raw seawater, heat it…
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Horse bits apply targeted mouth pressure for steering
Controlling a thousand-pound beast relies almost entirely on a small metal bar that makes turning their head the most comfortable option available. Placed…
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Spacecraft use drinking water as a radiation shield
Your drinking supply doubling as a barrier against deadly cosmic rays is peak multi-tasking. Because heavy metal shielding costs millions to launch into…
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Why modern submarines replaced periscopes with cameras
Peeking through a metal tube is out, staring at high definition monitors while submerged is in. Traditional optical periscopes required a massive physical…
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Hovercrafts can slide backward on hills
Gliding effortlessly over water is deeply cool, but encountering a moderate hill suddenly renders this futuristic craft entirely useless. Without wheels to…
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How spacecraft turn without firing rockets
Instead of firing rockets, spinning heavy metal discs inside the ship angrily twist it into facing the right way. Conservation of angular momentum means if a…
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Why double-decker buses don't tip over
They look violently top-heavy, but all the weighty components are shoved entirely into the floorpan to stop them from tipping over. To prevent a gentle breeze…
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Fire engines deploy outriggers to avoid tipping over
Extending a massive metal ladder into the sky turns the truck into a giant lever desperately trying to flip itself sideways. Massive hydraulic spider legs…
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Wheelchair front casters swivel freely for tight turns
Navigating incredibly narrow hallways requires tiny front wheels that spin chaotically in every possible direction. Unlike fixed rear axles, these small…
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Wheelchair frames employ titanium for lightweight strength
Pushing heavy steel around all day is terribly exhausting, so top-tier models use the exact same metal found in orbital satellites. It costs a small fortune,…
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How some sirens shake cars to clear the road
When deafening noise simply isn't enough, violently shaking the internal organs of the driver in front of you usually gets them to move. These specialized…
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Why tractors use satellites to plant straight rows
Human error leads to crooked crops, so modern farmers literally use orbiting satellites to steer their heavy machinery. An onboard computer takes total…
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Bungee jumping began with vines and wooden towers
Throwing yourself off a tall structure with a massive rubber band is actually a modernized homage to an indigenous rite of passage where participants leaped…
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Penny boards made skateboards tiny, brightly colored, and barely large enough to stand on
Transporting yourself on a full-sized deck was somehow deemed too cumbersome. This directly led to the creation of incredibly small, brightly colored plastic…
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Traditional toboggans have no runners or steering mechanism beneath them
Runners and steering mechanisms are completely unnecessary when you can just violently hurl yourself down a snowy incline on a totally flat, curved piece of…
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Rope tows use raw engine power to drag you uphill
Early winter sports enthusiasts decided the absolute best way up a hill was to tightly grip a constantly moving, fraying piece of twine powered by an old…
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