A hidden link between two seemingly unrelated particle collision outcomes shows a mysterious web of mathematical connections between disparate theories.
By resolving a paradox about light in a box, researchers hope to clarify the concept of energy in quantum theory.
How might our universe emerge like a hologram out of a two-dimensional sheet? An infinitely distant “celestial sphere” could hold answers.
Physicists have linked the “gravitational memory effect” to fundamental cosmic symmetries and a potential solution to the black hole information paradox.