Spit-checking mouthguard can tell if athletes are tired or mentally drained

Xerox Parc, the legendary research and development center, is probably best known to readers as the research lab that Steve Jobs visited in the late 1970s, getting his first glimpse at the graphical user interface concept he later made famous with the Mac. But Parc has been involved in plenty of other innovative research projects over the years — and its latest is no different.

Source: Digital Trends

Link: https://www.digitaltrends.com/cool-tech/xerox-parc-mouthguard-saliva/