Design-wise, it’s not the nicest-looking smart ring. It’s made from aluminium and carbon fibre rather than titanium like other smart rings we’ve tested, meaning it’s not only less durable ...

Want to improve your health and sleep? A smart ring could help. Smart rings track everything a smartwatch does -- sleep, activity, and wellness -- all around your finger and without a screen.

Modern aircraft typically feature eight or more layers of woven carbon fibre held together with strong epoxy resin. The lack of effective recycling solutions for this material means many of airplanes ...