Steam Locomotives Required Up to 14 Coupled Driving Wheels
Early steam locomotives like Stephenson's Rocket had only a single pair of driving wheels, but later locomotives were built with as many as…
Technology
20 facts
China Has the World's Largest High-Speed Rail Network
China's high-speed rail network spans approximately 38,000 kilometers, connecting all of the country's major megacity clusters and…
Japan's Shinkansen Bullet Train Has Carried Over 10 Billion Passengers
Since its inauguration in 1964, Japan's Shinkansen high-speed rail network has safely transported over 10 billion passengers without a…
Maglev Trains Float Above the Track Using Magnetic Levitation
Maglev trains use powerful magnets to levitate above the guideway, eliminating wheel friction entirely. These trains can reach speeds…
The Romans Invented Pliers Thousands of Years Ago
One of humanity's oldest tools dates back to ancient metalworkers.
The First Tape Measures Were Made From Discarded Hoop Skirts
A 19th century fashion trend gave birth to a construction essential.
The Phillips Screw Was Designed to Slip on Purpose
Henry Phillips invented the crosshead screw in the 1930s with a clever safety feature.
The NASA space pen myth is completely false
NASA never spent millions developing a space pen; it was invented privately for $1 million and both American and Russian astronauts used…
The internet was originally designed for military use
The internet's predecessor, ARPANET, was developed in 1969 by the U.S. Department of Defense's ARPA for military communication designed to…
Binary code was invented before computers
Binary number system was developed by Gottfried Wilhelm Leibniz in the late 17th century, long before electronic computers existed.
Barcode technology was invented during World War II
Barcode technology originated from WWII research aimed at tracking military freight. Modern barcodes were developed in the 1970s and…
The Caboose Has Been Virtually Eliminated from Modern Trains
The caboose, a small car at the end of freight trains that housed the crew, has been virtually eliminated from modern railroads thanks to…
Chinas Railway Lines Could Circle Earth Twice
The total length of China's railway network exceeds 146,000 kilometers. If laid end to end, these tracks would wrap around the Earth more…
Hong Kong-Zhuhai-Macau Bridge Is the Worlds Longest Sea Crossing
The Hong Kong-Zhuhai-Macau Bridge stretches 55 kilometers across the Pearl River Delta. It includes a 6.7-kilometer underwater tunnel to…
China Is the Worlds Largest Producer of Concrete and Steel
China produces more concrete and steel than the rest of the world combined. This manufacturing dominance supports the country's massive…
The Inventor Who Accidentally Poisoned the Entire Planet Twice
Thomas Midgley Jr. invented both leaded gasoline and CFCs, two of the most environmentally damaging substances in history.
The First Plastic Is Still Poisoning the Planet Today
Bakelite, invented in 1907, was the first truly synthetic plastic and started a pollution crisis that now sees 359 million metric tons…
Styrofoam Cups Take 500 Years to Decompose
Polystyrene foam, trademarked as Styrofoam, is used for disposable coffee cups and food containers but will outlive everyone who ever used…