here is a new type of biosensor in the fancy new Samsung smartwatch I’m wearing. Its shining ultraviolet, violet, yellow, green and blue light beams into my wrist, apparently to measure my “overall biological ageing process”.
John DavidsonColumnistJohn Davidson is an award-winning columnist, reviewer, and senior writer based in Sydney and in the Digital Life Laboratories, from where he writes about personal technology. Connect with John on Twitter. Email John at [email protected]
