A century since Werner Heisenberg changed the course of physics, five of the world's leading physicists examine the greatest ...

Quantum theory started with a bout of hay fever, and went on to transform our view of the universe – but its legacy isn't ...

An example of this is a quantum bit or qubit ... But there may also be consequences for how we think about quantum theory, says Scarani. Some probability distributions that lie beyond the ...

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string ...

To begin with, there’s no single quantum theory. There’s quantum mechanics ... an insulator or a semiconductor, for example – things get even more complex. The billions upon billions ...

For example, it is known that all qubit states ... On one hand, it identifies limits of quantum theory itself. In doing so, it bounds the extent of experimental results one can expect to observe ...

Imagine the tiniest game of checkers in the world—one played by using lasers to precisely shuffle around ions across a very small grid.