Home Energy Flexible, Stick-On Tags Attach Laser Beams to Eyeballs

Flexible, Stick-On Tags Attach Laser Beams to Eyeballs

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Photo: Jacquet/Panova, University of St Andrews

Laser beams shooting out of cows’ eyes could be a step toward better biometric security, less easily forged banknotes, and improved sensors, according to a team of Scottish scientists.