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Zhang and his colleagues created a gate from a single layer of molybdenum disulfide—consisting of a sheet of molybdenum atoms sandwiched between two layers of sulfur atoms—placed on top of silica. When the researchers shone two light beams at the gate, the handedness (also known as chirality) of the output beam was determined by the chirality of the input beams. When both input beams had the same chirality, the output was right-handed, but when both input beams had different chirality, the output beam was left-handed.

>Zhang and his colleagues created a gate from a single layer of molybdenum disulfide—consisting of a sheet of molybdenum atoms sandwiched between two layers of sulfur atoms—placed on top of silica. When the researchers shone two light beams at the gate, the handedness (also known as chirality) of the output beam was determined by the chirality of the input beams. When both input beams had the same chirality, the output was right-handed, but when both input beams had different chirality, the output beam was left-handed.

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[–] • 0 pt

Light gates wouldn't be affected by EMPs and solar flares. US semiconductors were superior to Russian vacuum tubes in the cold war.

[–] • 3 pts

Light gates might protect the processor from EMP, but there are still plenty of other delicate electronic parts in modern computing devices that would be fried.

[–] • 2 pts (edited )

Light gates wouldn't be affected by EMPs and solar flares.

The molybdenum disulfide logic circuit may not be effected, but I think the diodes producing the ingoing light, reading the outgoing light and the power source powering those diodes would be effected by EMP/flares.