Transport
Discover facts about transport. Small discoveries that change the way you see familiar things.
Transport
Why aisle seats feel more turbulence
Sit by the window if you want the smoothest ride possible. The center of gravity sits right over the wings, meaning the further away you sit, the more…
Discover more
Why Snoopy became an Apollo mascot
Nothing screams 'high-stakes aerospace engineering' like a cartoon beagle. Following the catastrophic Apollo 1 fire, NASA approached Charles Schulz to use…
Discover more
High altitude air density severely alters aerodynamics
Trying to maneuver aggressively in the upper atmosphere is like trying to swim in incredibly thin soup. The lack of air molecules means control surfaces like…
Discover more
Combination locks on briefcases replaced easily lost keys
Mid-century businessmen constantly locked themselves out of their own documents by losing tiny briefcase keys. The combination lock was introduced not for…
Discover more
Maglev trains let you ride on invisible magnetic force
Floating is cool until you realize you are suspended purely by the invisible forces of electromagnetism. With the undercarriage gripping the sides of the…
Discover more
Trailer jockey wheels collapse for transit
Disconnecting a trailer instantly drops the heavy tongue into the dirt. The jockey wheel is a tiny, crank-operated crutch placed at the front, frantically…
Discover more
STACKY FOR IPHONEA bigger world.
One discovery
at a time.
Keep discovering with Stacky. Interesting facts in an app that is always within reach.
Why choppy seas can sink amphibious assault vehicles
Because who wouldn't want to ride into battle in a highly armored metal brick with zero natural buoyancy? Amphibious assault vehicles were designed to…
Discover more
Modern blimps mostly use nonflammable helium for buoyancy
After realizing that filling giant floating fabric bags with explosive hydrogen was a distinctly terrible idea, the industry wisely pivoted. Modern airships…
Discover more
Why a battery can set a garbage truck on fire
People constantly carelessly throw away volatile batteries which quickly get crushed and ignite. The truck collecting your week of trash occasionally just…
Discover more
Nizhny Novgorod cable car swings commuters over the river
Bridges are terribly expensive to build over massive bodies of water. Russia solved this by stringing a giant wire across the Volga, letting daily commuters…
Discover more
Atmospheric drag aggressively pulls satellites downward
Space is not entirely empty; scattered gas molecules constantly bump into orbiting objects until they lose momentum and fall. Gravity is remarkably patient,…
Discover more
Submersible trash management prevents detection
You can't just toss a garbage bag out the window at crush depth. Crews have to pack their waste into special weighted cans that sink to the bottom, ensuring…
Discover more
Longitude Act of 1714 offered a massive cash prize
The British government was so tired of getting hopelessly lost that they passed a law offering a massive bounty—twenty thousand pounds—to anyone who could…
Discover more
Your car dashboard texture hides manufacturing flaws
That imitation leather grain on your dashboard isn't there to simulate luxury; it's there to cover up industrial incompetence. When massive plastic panels are…
Discover more
The country where people direct traffic by hand
They entirely removed their automated signals because residents found them intensely impersonal. Now men with crisp white gloves dramatically direct the daily…
Discover more
Snowshoes spread body weight to float on deep snow
It is essentially the concept of a pontoon boat applied to human feet. By distributing a person's mass over a massive, tennis-racket-shaped surface area, the…
Discover more
Why World War I pilots were denied parachutes
British military brass in the First World War were so utterly detached from reality that they considered survival gear a moral failing. They explicitly banned…
Discover more
Even hot-air balloons need license plates
The FAA isn't going to let you float around in a picnic basket attached to a giant bag of hot air without drowning you in paperwork first. Hot air balloons…
Discover more
Piggyback trains carry highway trailers
When the transport industry realizes that paying someone to drive across the country is tedious, they just throw the entire truck trailer onto a railcar. It…
Discover more
Canal towpaths let draft animals pull barges from the shore
Boats don't always need motors if you have a very sad animal walking next to the river. Narrow dirt paths run parallel to massive canals strictly so heavy…
Discover more
Steam trains used far more water than coal
They should have been called water locomotives. To boil enough steam to push hundreds of tons of metal across the countryside, a standard steam train guzzled…
Discover more
Fifth wheel connects trucks to trailers
In a stunning display of numerical confusion, this has absolutely nothing to do with steering. It is actually the massive, horseshoe-shaped metal coupling…
Discover more
Why Jeepney passengers bang on the roof
Forget the luxury of a gentle stop request button or a delicate pull cord. In a crowded Philippine Jeepney, the universally accepted method to alert the…
Discover more
Plant seeds evolved hooks to hitchhike on passersby
Burrs and sticky seeds don't have legs, so they wait for you to brush past. They dig into your pants like desperate microscopic clingers, forcing you to act…
Discover more