Scientists measure precise proton radius to help resolve decade-old puzzle
91ÑÇÉ« research confirms protons are smaller than expected  TORONTO, September 5, 2019 – 91ÑÇÉ« researchers have made a precise measurement of the size of the proton – a crucial step towards solving a mystery that has preoccupied scientists around the world for the past decade. Scientists thought they knew the size of the […]