2 ms·
Off topic, but I am very interested in the topic of what other inventions are universal (I've thought about this myself a bit). Do you have a list or writeup?
by lincolnq 5y ago
Off topic, but I am very interested in the topic of what other inventions are universal (I've thought about this myself a bit). Do you have a list or writeup?
- DaiPlusPlus 5y agoMathematics
- intrasight 5y agoI've not maintained a list over the years. But some that I can name off the top of my head are: Wheel Battery Electric motor Glass LED Laser Book Lens Ballpoint pen Mirror - you get the idea
- simonh 5y agoMy dad claims to have “invented” the brushless electric motor as a physics student, only to discover it had been invented many dozens of times already.