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Miners keep running their miners even after Bitcoin's poor performance over the last few weeks. Hashrate and difficulty remain steady. How does this impact profitability?
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A Brief History of Wind Power
Man’s attempts to tame the wind
Before recorded history no doubt mankind used wind power — we just don’t know how the very earliest users used it. But imagine the stone age scene: a child laughing as she watches the autumn leaves blown off a tree and catching them, just as today’s children play in the parks. A little boy flinging out his arms and letting the wind propel him faster — and faster. And did the adults of that far off time harness the wind to blow off the chaff. Perhaps to dry their fish, their wood or even their hair.
Some of our earliest records come from cave paintings in Sweden. They depict reed boats (7,000 years) and even older stone carvings by the old shores of the Caspian Sea. No doubt we will find other hidden treasures in time. Certainly, wind energy propelled boats along the Nile River as early as 5000 B.C.
An illustration from the tomb of Menna, scribe of the king,. it shows a funeral procession to Abydos. The boat carried the body of Menna and his wife to Abydos, the place consecrated to the god Osiris. Date circa 1422–1411 BCE
By 200 B.C., simple windmills in China were pumping water. And vertical-axis windmills, with woven reed sails, were grinding grain in Persia and the Middle East.
And then there is the power of prayer. As the wind drives the prayer wheel or flutters the flags, thousands of prayers are released.
New ways of using the energy of the wind eventually spread around the world. By the 11th century, people in the Middle East used windmills extensively for food production. Returning merchants and crusaders carried this idea back to Europe. The Dutch refined the windmill and adapted it for draining lakes and marshes in the Rhine River Delta. Settlers took this technology…
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