If you want to look savvy and intelligent during a discussion about commercializing quantum technologies, here’s a tip: mention quantum sensors. This advice isn’t as pithy as “plastics” or “wear sunscreen”. Even so, if you follow it, chances are you’ll be greeted with sage nods and murmurs of agreement. Devices that use quantum effects to sense magnetic fields, gravity and other physical phenomena are simply far easier to build than fault-tolerant quantum computers or largescale quantum networks.
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