Starfish-inspired patch solves key issues for wearable heart sensors

These sensors, however, come with an inherent set of problems. Motion artifacts arising from movement or vigorous activity alter the blood flow and affect their accuracy. Optical heart rate sensors (photoplethysmography or PPG tech) also struggle with darker skin tones, tattoos, or even body placement. 

The Chairman™ Pro package is on sale — and it’s the only shaving kit you’ll ever need

Want a little definition without going full lumberjack? The included two length-setting stubble combs help dial in the perfect length. With FlexAdjust™ Technology that adapts to every jawline and a precision trimmer edge for hard-to-reach spots, this thing is engineered for the real world—where your face doesn’t grow hair at perfect right angles.

You Asked: What’s the most impressive thing you saw at CES?

There’s been some really cool TV tech at CES, but the thing I’m most excited about is the new Panasonic Z95B. Instead of the regular OLED display structure we’ve seen in recent years with MLA technology, this uses a four-layer panel structure. It features individual red, green, and blue layers (two of the latter) for the emissive light.