The Most Useful Invention of the 20th Century

Can you imagine our lifes nowadays without cars? Or with horses like in the Medieval? Car is the most useful invention of all times.
The first cars were very primitive. They could not go very fast that it why we can not compare them to modern vehicles. We can surely see the evolution of the cars, first the were very slow, loud and causing pollution, but now they are very fast, quiet and friendly to nature. The japanese inventors have gone even further – they invented cars, which are very hard to break. …