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The Middle Paleolithic, roughly 300,000 years ago, noticed the introduction of the prepared-core method, where a quantity of blades could presumably be quickly formed from a single core stone. The Upper Paleolithic, beginning roughly forty,000 years in the past, saw the introduction of pressure flaking, where a wooden, bone, or antler punch could be used to shape a stone very finely. Mind-blowing tech is right around the nook — and the info to power it is here and now. Get an awe-inspiring take a glance at the longer term that awaits with visionaries already predicting, embracing and innovating on the potential of tomorrow. From powering the planet with untapped clear energy to making climate action go viral, these 10 transformative ideas from the intersection of tech and sustainability are driving constructive change — and building a greener future for generations to come.

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Eventually, the working of metals led to the invention of alloys similar to bronze and brass (about 4000 B.C.E.). Other technological advances made in the course of the Paleolithic period had been clothes and shelter; the adoption of each technologies can’t be dated precisely, but they had been …