For me, it would be the wheel. it dictates a lot of our lives today 🙂
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Anthony Newell
answered on 11 Mar 2020:
last edited 11 Mar 2020 3:33 pm
The most important inventions I think were those that saved the most lives The Haber process for producing ammonia which allowed us to make fertiliser and feed more people than ever before. Or maybe antibiotics.
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