Pixabay/CC0 Public Domain The hypothetical faster-than-light particle known as the tachyon may marry with the special theory of relativity, according to a team of physicists, making its existence ...

Discover the fascinating world of particle physics — the most fundamental building blocks of the universe and the forces that ...

According to quantum mechanics, the physics theory that describes the zoo ... De Broglie was inspired by the discovery of wave-particle duality in light. For centuries, physicists had debated ...

The speed of light is the fastest anything can travel. What happens to a photon from a galaxy 25 million light years away on ...

In contrast, quantum mechanics theory suggests that light particles continue interacting ... which-path observation (of a particle through the double slit) can be so gentle as to not exert a ...

Dark matter may have started as light-like particles that abruptly became heavy—a cosmic twist rooted in spin and ...

With the emergence of quantum mechanics, the idea of light as a wave faced a challenge. But it wasn’t as simple as going back to the particle view. Further tests of quantum theory using the ...

Experiments with hydrogen atoms could soon reveal whether particles that were long thought to be forbidden by physics ...

According to measurements of pulsing stars scattered throughout the Milky Way and mystery radio signals from other galaxies, a particle of light ... Maxwell's electromagnetic theory, probably ...

Take, for instance, quantum entanglement, which says that the state of one particle can ... beyond the speed of light) whereas classical physics follows local theory, the idea that objects are ...