Physics: Modern

Today, the field is in a fascinating state of stagnation and excitement. We have a "Standard Model" of particle physics—a list of 17 fundamental particles (quarks, leptons, bosons) that explains everything we see in a lab. But it explains barely 5% of the universe.

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: Comprises Albert Einstein's theories—special and general relativity—which revolutionized our understanding of time, space, and gravity. Standard Model of Particle Physics Today, the field is in a fascinating state

Einstein's theory of relativity, which was later expanded to include gravity in his general theory of relativity (1915), had a profound impact on our understanding of space and time. Relativity introduced the concept of spacetime, which is a four-dimensional fabric that combines space and time. According to relativity, the curvature of spacetime around massive objects, such as stars and black holes, affects the motion of other objects. You can copy and paste this directly into a document

Quantum mechanics is the foundation of almost all modern technology, from the transistors in your smartphone to MRI machines and lasers. 3. The Quest for the "Theory of Everything"