When quantum electrodynamics, the quantum field theory of electrons and photons, was being developed after World War II, one of the major challenges for theorists was calculating a value for the Lamb ...

The fundamental constants of the Universe appear to be fine-tuned with incredible precision to allow for life. The slightest variation would make our existence impossible, raising a profound question.

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The world desperately needs a room-temperature superconductor—a material that ...