Engineering

Electronic skin points the way north

While birds naturally perceive the Earth's magnetic field and use it for orientation, humans do not share this ability—at least, until now. Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) in Germany have ...

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Robot-run supermarkets analyzed but Amazon says no plans

(Tech Xplore)—Accountants and retailing gurus know the story. Supermarket owners have to figure in the cost of hiring workers against all those cash register rings for popcorn, soap and paper towels.

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