The device measures blood pressure through several sensors which simultaneously measure the contact pressure, pulse and blood flow on the surface of the skin in the vicinity of the wrist.
Yes, Sir Isaac Newton is best known for his work on gravity. He also worked on and discovered many other scientific wonders during his lifetime (1642-1727).
Sir Isaac Newton and the Revolution. This source is BBCâs brief account of Sir Isaac Newtonâs main life events and his most important achievements. This source is a good introduction to Newtonâs life but it only states events, failing to discuss their effects on science or society.