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A comment on Scientists create quantum sensor that covers entire radio frequency spectrum. Parent comment

Re:Scientists create quantum sensor that covers entire radio... by calibas on Saturday March 21, 2020 @10:22AM (#22646660)
Where did "cooled to very low temperatures" come from? The Army article said it was done at room temperature: https://www.army.mil/article/212935
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Re:Scientists create quantum sensor that covers entire radio... by greglindahl on Saturday March 21, 2020 @11:30AM (#22647190)
For radio astronomy purposes, the signal is so weak that thermal noise in the detector is always an issue.
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