Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

Physicists are quietly advancing a radical idea: time might not be a single, thin line but a full three‑dimensional landscape ...

Take, for instance, quantum entanglement, which says that the state of one particle can be determined by examining the state ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

In an online lecture, a professor mentioned that Einstein could draw or imagine a 4-dimensional figure. How can one possibly do that? originally appeared on Quora: the knowledge sharing network where ...

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And while we haven't found any evidence yet for anything outside our normal ...