Guest
@Учу Английский This video tells about 25 inventions of humanity including wheel, nail, optical lenses, compass, paper, gunpowder, printing press, electricity, steam engine, railway, internal combustion engine, telephone, television, vaccination, refrigerator, cars, airplane, penicillin, automatic washing machine, rockets, nuclear fission, semiconductors, personal computer, the Internet, artificial intelligence. As for all inventions this list is not completed. There are much more inventions in our life. So take it easy if your favourite invention hasn't been mentioned in the video. It won't decrease its importance.
