News tagged with subatomic level

Elucidating energy shifts in optical tweezers

A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...

May 08, 2013
5 / 5 (1) 0

New picture of atomic nucleus emerges

(PhysOrg.com) -- When most of us think of an atom, we think of tiny electrons whizzing around a stationary, dense nucleus composed of protons and neutrons, collectively known as nucleons. A collaboration between ...

Mar 02, 2012
4.3 / 5 (31) 14 | with audio podcast