It's driving me nuts. Is the double bond constantly changing between all possibilities fast enough that it shortens the bond length for all, or are all the double bonds existing in all possible states ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: VICTOR de SCHWANBERG/SCIENCE PHOTO LIBRARY via Getty Images Quantum physics is the branch ...

“More than one reality exists” screams the headline. Cue sighs of tired dread from physicists everywhere as they wonder what otherwise bland result has been spun out of control. In this case, though, ...

Red and blue: a photon of two colours has been made. (Courtesy: iStock/-strizh-) Individual photons have been put into a quantum superposition of two different colours by a team of physicists in the ...

Wouldn't it be fascinating to live in New York and London at the same time? In the standard of everyday life, this is equivalent to daydreaming or sheer fantasy. Nevertheless, this is a perfectly ...

Interrelated Superposition and entanglement can be observed independently of the theoretical framework used to explain them. (Courtesy: iStock_Traffic-Analyzer) When a forest loses its trees, it also ...

You have full access to this article via your institution. Phase-coherent quantum superposition states are characterized by first-order coherence. First-order coherence measures the expectation value ...