An app uses your smartphone camera to tell if you’re alert at work
In the boring old days, our smartphone cameras just took pictures. Then they started letting us confirm our identity, throughtools like Apple’s Face ID. Soon, they could help track your alertness as well. At least, that’s the basis for a new research project coming out of Cornell University. Researchers there have developed a tool which uses a smartphone camera to keep tabs on alertness at work — by measuring the size of your pupils each time you unlock your phone....