Everyone knows what **Moore’s law** is – processors become cheaper, exponentially. There are a multitude of more precise formulations. Moore’s original formulation was very precise – it stated that the density of transistors achievable with the lowest cost transistor doubles every two years. A few years later he revised the doubling time to every 18 months. Personally, I prefer Ray Kurzweil’s formulation – the computational power (measured in calculations per second) available for $1000 doubles every ~2 years. The two versions are nearly identical, but using calculations per second per $1000 also takes into account how well the transistors are used (layout) and driven (clockspeed).

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# Tag Archives: life extension

## Moore’s law – Kurzweil vs. Thiel

Filed under computers, economics, Musings, singularity, technology