Researchers use Wireless signals to measure health

Walking by this sensor could help keep you healthy.Image: MIT/CSAIL Millions of people now track their steps with Fitbits, Apple Watches, and other wearable fitness-tracking devices. We have to admit, it feels pretty good to hit that 10,000 steps-a-day goal. But what if there was a measurable difference between a good step and a bad… Continue reading Researchers use Wireless signals to measure health