DNA circuit that computes square root; silicon transistors go 3D

A Twitterish post on two blog entries about nanoscale hardware:

  1. On the theory side, Olexandr Isayev, a chemist at Case Western, blogs about a new paper by Erik Winfree and Lulu Qian, in which they design DNA circuitry capable of computing a square root.
  2. On the practical industry side, Joerg Heber, Senior Editor at Nature Materials, blogs about Intel’s new chips that place transistors using a 3D framework, taking advantage of previously unused vertical space, so the distance between transistors is currently 22 nm, and is projected to be only 10 nm by 2015.  Wow.
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