Beyond Mobile: A Computer the Size of a Grain of Sand

Considered a corollary of Moore’s Law, Bell’s Law leaps from transistors on chips to computers, describing not how their components increase, but rather how they shrink. Bell’s Law holds that a new class of smaller, cheaper computers comes along roughly every 10 years. The arrival of smartphones conformed to the law, and the next step — millimeter-scale computers — is already being realized.

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