Physicist Paul Davies looks back at the past century of quantum mechanics—the most disruptive theory in the history of modern science.

Is the electron a wave or a particle? Are the orbits of electrons in atoms similar to planetary orbits? What is the nature of light? Such were the questions that physicists were struggling with in the ...

The IBM Institute for Business Value (IBV) has published a beautiful book, good to read and also a substantial addition to any executive office: the fourth edition of The Quantum Decade. The 168-page ...

In the 1920s, when quantum mechanics was young, physicists Jane Dewey and Laura Chalk performed some of the first experimental tests of the theory, based on a phenomenon called the Stark effect. Later ...