Did you know that getting stranded on a deserted island has a way of shaking up social hierarchies? I suppose that was a big part of the plot for recent Best Picture Oscar nominee “Triangle of Sadness.” As well as ... .
Persia originated windmills around the 7th century AD for grinding grain, while China developed watermills around the 3rd century BC but developed no other major sources of energy beyond water, air, human and animal power.