Philip Ball looks at how a little-known paper by Niels Bohr demonstrates the turmoil in physics on the brink of quantum ...

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 ...

I was puzzled to understand Bohr’s meaning. If a “profound” statement is true, how could its opposite be true? When I put the question to a friend of mine, a professor of philosophy at the ...

This theory would affect much more than physics, but other fields of science, as well as art and philosophy. Heisenberg and Bohr's theories were compatible and became known together as the ...