Were you aware that light is a greater transmitter of quantum computer information than any variety of cabling? As it isn’t altered by electric and magnetic fields, it might be perfect for carrying data if photons would stop being so snobby and have interaction with each other. Only highly-sensitive interferometers can overcome that problem, and they are so fussy that a gentle sneeze almost about one would wreck its calibration. Air Force researcher Jonathan McDonald thinks he’s got an answer: project holographic interferometers onto glass where it’ll “freeze” and become a lot more stable. There are just two downsides: you can not edit the programming, nor wouldn’t it scale rather well, because you’d need physical space to establish the person glass plates. Alternatively, the materials required to construct one are all commercially available, and we’re sure the Air Force has a hangar or two going spare, so perhaps lets see holographic quantum computers inside the near future — or not less than a really decent laser light-show.
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