Classical field theories provide a framework for describing fundamental interactions and physical phenomena through the use of continuous fields defined over space and time. Central to these theories ...

Physicists have chased a unified description of nature for more than a century, yet quantum theory and gravity have ...

What is a quantum field and how does it interact with matter? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. If you wanted to answer the question of what's truly fundamental in ...

Physicists speak of the world as being made of particles and force fields, but it is not at all clear what particles and force fields actually are in the quantum realm. The world may instead consist ...

For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum ...

In a bold step toward solving one of science’s most puzzling problems, researchers have proposed a new way to bring gravity into the same mathematical language as the other forces of nature. While the ...