(Q4650)
Revision as of 20:11, 19 May 2020 by Genferei (talk | contribs) (Created claim: Property:P110: Item:Q4649)
Statements
Contact tracing app uses ultrasound technology to accurately gauge the distance between people.Carnegie Mellon is considering how it might use the app in its plans to re-engage research on campus.
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17 April 2020
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