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In recent years, researchers in the messy world of biology have been able to build systems that function like the clean, binary switches on computer chips—and we've covered a number...
By force of habit we tend to assume computers are made of silicon, but there is actually no necessary connection between the machine and the material. All that an engineer needs to do to...
FORGET smartphones, how about a smart arm? Human cells capable of performing simple arithmetic could one day be implanted in your body as a biological computer to diagnose disease,...