Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly ...

Students use the terms isotope, atomic number, mass number, and atomic mass. Atomic Theory: Structure of the Atom: Students use the terms isotope, atomic number, mass number, and atomic mass to ...

Reports trickling out of Russia last week said that Stalin had taken three steps on the atomic bomb: ¶ He told Scientist Peter Kapitza to “build whatever you need” for basic atomic research. ¶ He ...

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 ...

What Is Real?: The Unfinished Quest for the Meaning of Quantum Physics Adam Becker Basic: 2018. All hell broke loose in physics some 90 years ago. Quantum theory emerged — partly in heated clashes ...