This quantum sensor tracks 3D movement without GPS

In a new study, physicists at the University of Colorado Boulder have used a cloud of atoms chilled down to incredibly cold temperatures to simultaneously measure acceleration in three dimensions — a feat that many scientists didn’t think was possible. The device, a new type of atom “interferometer,” could one day help people navigate submarines,…

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Quordle hints and answers for Sunday, June 15 (game #1238)

Looking for a different day? A new Quordle puzzle appears at midnight each day for your time zone – which means that some people are always playing ‘today’s game’ while others are playing ‘yesterday’s’. If you’re looking for Saturday’s puzzle instead then click here: Quordle hints and answers for Saturday, June 14 (game #1237). Quordle…

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