Eternal founder Deepinder Goyal says their new wellness device, Temple, that is designed to measure cerebral blood flow, could hit the market within a year. Th

Eternal founder Deepinder Goyal says their new wellness device, Temple, that is designed to measure cerebral blood flow, could hit the market within a year. The Indian tech billionaire tells Bloomberg's @​haslindatv it all began as a science project [▻](https://video.twi…