M mad editor New member Oct 3, 2009 #3 A distinguished history professor I had said the two greatest inventions were: 1. The windmill. It let people create flour from grain very quickly and efficiently. 2. The stirrup. It enabled steady long-term horseback riding, especially for soldiers.
A distinguished history professor I had said the two greatest inventions were: 1. The windmill. It let people create flour from grain very quickly and efficiently. 2. The stirrup. It enabled steady long-term horseback riding, especially for soldiers.
M mad editor New member Oct 3, 2009 #4 A distinguished history professor I had said the two greatest inventions were: 1. The windmill. It let people create flour from grain very quickly and efficiently. 2. The stirrup. It enabled steady long-term horseback riding, especially for soldiers.
A distinguished history professor I had said the two greatest inventions were: 1. The windmill. It let people create flour from grain very quickly and efficiently. 2. The stirrup. It enabled steady long-term horseback riding, especially for soldiers.
R Rubym New member Oct 3, 2009 #6 The wheel, Spears, bows and arrows and other hunting tools pottery using metal writing (I'm not sure if it is technically an 'invention') telephone radio airplane internal combustion engines penicillin and other antibiotics computers
The wheel, Spears, bows and arrows and other hunting tools pottery using metal writing (I'm not sure if it is technically an 'invention') telephone radio airplane internal combustion engines penicillin and other antibiotics computers