While most people who build their own computer from chips want the finished product to do something useful, there’s something to be said about a huge bank of switches and a bunch of blinkenlights.

Microscopic switches that route light signals between computer chips like tiny traffic conductors could help make faster, more efficient electronics. Light waves can carry information more easily than ...

(Nanowerk News) Researchers at Case Western Reserve University have taken the first step to building a computer capable of operating in the heat of a jet engine or the sunny side of the planet Mercury ...