Add Yahoo as a preferred source to see more of our stories on Google. On a navy blue background is the book cover of 'The One Thing You Need to Know: 21 Key Scientific Concepts of the 21st Century' by ...

An international group of physicists has traced the origin of an electromagnetic interaction to the Dirac equation, a fundamental equation of quantum physics. The interaction couples the spin of the ...

Quantum Electrodynamics (QED) examines the fusion of quantum mechanics and electromagnetism, moving beyond classical theories ...

You probably don't think about the Dirac equation on an average day, but it describes just about everything that happens to you. People hate losing money about twice as much as they love making it: It ...

Light trapping within waveguides is a key practice of modern optics, both scientifically and technologically. Photonic crystal fibers traditionally rely on total internal reflection (index-guiding ...