Polar embeds a bunch of sensors into a workout shirt

The once-ascendant world of wearables seems to be on shaky ground of late, but you’ve got it to hand it to polar for really going all in. The Finnish company’s certainly got the history to back it up, of course, having produced wearable heart rate monitors since the early 80s, decades before anyone managed to embed the things on a wrist band. And there’s perhaps something to… Read More