First steps toward programmable matter?

Arguably, since the dawn of the solid state era the human race has been experimenting with the development of computronium, or forms of matter optimized for the processing of information. The doped silicon semiconductors that make up the CPU and much of the supporting circuitry of the computer you're using right now are variants of computronium (albeit very primitive when compared with the above link). Most circuitry as we know it today has a few limitations that we don't often think about, however. First of all, it's on the fragile side. Drop a circuit board when it's not inside a …

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