Quantum state maintained for 5 seconds!

Using a silicon carbide platform. 5 seconds is long enough to send a signal via light to the moon and back or around the earth 40 times. A lot can happen over the Internet in 5 seconds. Perhaps a quantum internet is not so far away? See https://eandt.theiet.org/content/articles/2022/02/five-second-record-set-for-preservation-of-quantum-states/ for details

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