Curated category
German inventions
- CocaineCocaine is a substance that has shaped empires, fueled cartels, redrawn borders, and rewired human brains, all while originating from the leaves of two…
- PolyethylenePolyethylene is the most commonly produced plastic on Earth, and it is almost certainly touching something near you right now.
- AccordionThe accordion takes its name from a 19th-century German word, Akkordeon, rooted in Akkord, meaning a musical chord or a concord of sounds.
- AmphetamineAmphetamine is a central nervous system stimulant with a history stretching back to 1887, when Romanian chemist Lazăr Edeleanu first synthesized it in…
- Diesel engineThe diesel engine carries the name of Rudolf Diesel, a German engineer who spent years trying to build a machine that could extract far more work from heat…
- Electron microscopeThe electron microscope can reveal a world that sits more than a hundred thousand times beyond the reach of ordinary light.
- BicycleBy the early 21st century, more than 1 billion bicycles existed in the world. The bicycle was invented in Europe in the 19th century, and its basic shape has…
- CarThere are over 1.6 billion cars in use worldwide as of 2025, and the count is still climbing fast. A car is a motor vehicle with wheels that runs primarily…
- TelevisionIn 2013-79% of the world's households owned a television set. This was a medium that began as a spinning disk with holes punched into it, a contraption that…
- Integrated circuitA modern integrated circuit can pack many billions of transistors into an area the size of a human fingernail. That single fact captures a transformation…