Philip Ball peers into the quantum past, and uncovers a little-known paper published by Niels Bohr, Hendrik Kramers and John Slater in 1924, that proposed that the first law of thermodynamics may no ...

Niels Bohr was born and educated in Copenhagen, Denmark. He lived, worked, and died there, too. But his mark on science and history was worldwide. His professional work and personal convictions ...

With the help of Niels Bohr, she got a position in Stockholm. From there, Meitner and her nephew Otto Frisch proved that the uranium atom had been split. Hahn published the results in January 1939 ...

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 ...

Recently, astrophysicists at the University of Copenhagen's Niels Bohr Institute shared their study of a rather unusual binary star system that gives credence to the theory that some massive stars ...

In 1927, Werner Heisenberg was in Denmark working at Niels Bohr's research institute in Copenhagen. The two scientists worked closely on theoretical investigations into quantum theory and the ...