The human eyeball has a natural electric dipole, from cornea to retina, which Belgian research lab IMEC has managed to exploit in wireless eye-tracking glasses, that look like glasses and run for 10 hours without re-charging. Sensing only voltages, the solution smaller, lower-power and cheaper than incumbent camera-based solutions, said the lab. Measuring this natural ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/eye-tracking-glasses-sense-eyes-natural-dipole-2018-05/
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