Human blood reflects red light and absorbs green light. An Apple Watch rapidly flashes LED lights at your wrist and measures how much light your blood absorbs. That value is lower between beats ...

Ive and the Apple Watch design team hit upon a key concept when it comes to digital wearables: It’s a form of self-expression that you wear on your wrist, and it must actually look good for you ...

"Always wanted an Apple Watch but couldn't justify the price of a new one. This is everything I wanted: a great product at a ...