For centuries, scientific progress has depended on more precise tools for measuring the world around us. Galileo’s telescope ...

In the early 1920s, physicists were first working out the mysteries of the quantum Universe. Particles sometimes behaved as waves, with indeterminate positions, momenta, energies, and other properties ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. Take a look around you at everything on Earth. If you were to ...

Principled ion: a minimum amount of energy is required to erase a quantum bit. (Courtesy: iStock/thelightwriter) The minimum amount energy needed to erase a quantum bit (qubit) of information has been ...

Quantum computers would be exceptionally fast at a few specific tasks, but it appears that for most problems they would outclass today's computers only modestly. This realization may lead to a new ...