The terms theory and model are defined, and students learn how a theory remains valid. Atomic Theory: The Development of the Atomic Theory: The terms theory and model are defined, and students learn ...

WE publish this week, as a special supplement, the substance of an address by Prof. N. Bohr on the development of the theory of atomic structure, and in particular of the latest form and tendencies of ...

Some atomic nuclei are not shaped like rugby balls, as a longstanding theory suggests, but are instead somewhat flattened, like almonds, according to a new study by Japanese scientists. A team from ...

JFIFHHExifII*39GO(1W2kiHClinton Lewis/Daily News SCIENCE CLASS 2McNeill Elem. teacher Katy McCalla explains the structure of an atom to her fourth-grade science class on Thursday. CanonCanon EOS ...

IT is fitting that the year in which the Bohr theory comes of age should hear a pronouncement by its author on the view of Nature to which it has led. It is true that in one sense the pronouncement is ...