Richard Feynman’s 80-year-old quantum postulate has now been validated
Decades after it has been posited as a foundational principle of quantum physics, Richard Feynman’s “path integral” has been directly measured in an experiment for the first time.

<p>Decades after it has been posited as a foundational principle of quantum physics, Richard Feynman’s “path integral” has been directly measured in an experiment for the first time.</p>