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 PRS MP; 25 December 1642 â 20 March 1726/7; was an English physicist and mathematician. He is famous for his work on the laws of motion, optics, gravity, and calculus.