Around the same time most years, (2007, 2009, 2010), someone heralds the death of Moore's law. This time it's Stanford University's Dr. Jonathan Koomey, who has found that energy efficiency roughly doubles every two years. With the rise of mobile devices, we care less if our phones and tablets can outpace a desktop and more about if a full charge will last the duration of our commute -- reducing the importance of Moore's law. Historically, efficiency has been a secondary concern as manufacturers built ever faster CPUs, but Koomey believes there is enormous room for improvement. In 1985, Dr. Richard Feynman calculated an efficiency upper limit of Factor 100 Billion -- since then we've only managed to achieve Factor 40,000. Let's just hope Quantum Computing goes mainstream before next autumn so we can get on with more important things.

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Koomey's law heckles Moore's in the post-PC world