A cheap and easy method can turn your run-of-the mill headphones into a sensor that plugs into a smartphone to monitor heart rate and do other stuff, too.
Todd Bates-Rutgers •
futurity
March 12, 2021
•
~4 min
A new optical sensor small enough to fit on a smartphone but capable of hyperspectral and polarimetric imaging gets its inspiration from mantis shrimp eyes.
Matt Shipman-NC State •
futurity
March 4, 2021
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~6 min