We’re approaching the limits of computer power – we need new programmers now | John Naughton
Way back in the 1960s, Gordon Moore, the co-founder of Intel, observed that the number of transistors that could be fitted on a silicon chip was doubling every two years. Since the transistor count is related to processing power, that meant that computing power was effectively doubling every two years. Thus was born Moore's law, which for most people working in the computer industry - or at any rate those younger than 40 - has provided the kind of bedrock certainty that Newton's laws of motion did for mechanical engineers.
There is, however, one difference. Moore's law is just a statement of an empirical correlation observed over a particular period in history and we are reaching the limits of its application. In 2010, Moore himself predicted that the laws of physics would call a halt to the exponential increases. "In terms of size of transistor," he said, "you can see that we're approaching the size of atoms, which is a fundamental barrier, but it'll be two or three generations before we get that far - but that's as far out as we've ever been able to see. We have another 10 to 20 years before we reach a fundamental limit."
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