Profiles in Norwegian science
Ilan Kelman
Agder, Norway
The Norwegian resistance won World War II. In 1943, Operation Gunnerside destroyed the Nazis’ heavy water coming from a plant at Vemork in Telemark, southern Norway. This action denied the atomic bomb to the enemy. Or so the story goes. As always, reality is far more complicated.
Heavy water is a variant of water, a molecule of two hydrogen (H) atoms and one oxygen (O) atom, giving the well-known formula H2O.
Hydrogen comprises one electron orbiting one proton. When a neutron is added to hydrogen, it becomes deuterium (D). Deuterium and hydrogen are isotopes, meaning similar
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