Atom center of mass, although strictly speaking these particles are believed to be point-like and cannot be said to be rotating. Spin is measured in units of the reduced Planck constant (ħ), with electrons, protons and neutrons all having spin ½ ħ, or "spin-½". In an atom, electrons in motion around the nucleus possess orbital angular momentum in addition to their spin, while the nucleus itself possesses angular momentum due to its nuclear spin. The magnetic field produced by an atom—its magnetic moment—is determined by these various forms of angular momentum, just as a rotating charged object classically produces a magnetic
The Atom Station of an atom station in Iceland. After a short relationship with Búi Árland, Ugla decides to return to the “selfconscious policeman”, who is the father of her recently born child. "The Atom Station", written in 1946 and 1947, was published in 1948. The historical background of the novel is the British and later American occupation of Iceland during World War II, including the urbanisation and monetization of the Icelandic economy it stimulated. Many viewed Iceland’s independence as threatened due to the United States’ request in 1946 to establish a military base in Keflavík for 99 years, and pressure on Iceland