The 50 Greatest Inventions of All Time – (20 to 11)
We are down to the penultimate list of the 50 greatest and best inventions of all time. In this list, we see a number of incredible inventions that have changed our lives and a few that have saved lives too. The 50 Greatest Inventions of all Time - Countdown 20 to 11 20. The Bus (1662) Public transportation is a very important part of our...