When you think about how rapidly computers filled our homes, our cars and even ourselves through watches and earpieces, it might be hard to believe that there is a massive gap between computer’s processing power and the speed, capacity and reliability of our brains. But, by 2040, it is predicted that this gap will pose a critical problem for energy consumption, because by one estimate all the energy produced in the world will be needed to meet the computational demands of our society.
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Source: Phys.org