Did You Know? The Word Robot Comes From Czech!
The word robot became popular from a Czech play written over 100 years ago.
Fun Facts
Vehicles, tools, engineering, and everyday objects with surprising stories.
13 fun facts in this category
The word robot became popular from a Czech play written over 100 years ago.
Early bicycle-like machines were pushed along by riders' feet instead of pedals.
An early traffic signal was used in London in 1868, when streets were full of horses and carriages.
An inventor studied burrs stuck to clothing and copied their hook-and-loop idea.
In 1947, engineers found a moth in a computer relay, and the story helped spread the word bug.
The original computer mouse prototype looked like a small wooden box with wheels.
Long before forestry use, early chainsaw designs were developed for specific medical operations.
Inventor Lonnie Johnson worked on space missions and also created one of the most famous water toys ever.
The Benz Patent-Motorwagen from 1886 had a top speed of about 10 mph — a bicycle can go 15 mph!
Before engines, fire trucks were horse-drawn wagons — and the horses were specially trained heroes!
The world's tallest crane reached over 820 feet — taller than the Eiffel Tower's observation deck!
Commercial airplanes get hit by lightning about once or twice a year, but they're designed to handle it perfectly!
School buses are painted 'National School Bus Glossy Yellow' — a color chosen because humans see it fastest, even in the dark!