3 days ago · Scientists tried to break Einstein’s speed of light rule Einstein’s speed-of-light rule just survived its toughest cosmic stress test yet. Date: January 8, 2026 Source: Universitat Autonoma de ...

A Bold Challenge to Relativity’s Core Einstein’s theory of special relativity, introduced over a century ago, posits that the speed of light in a vacuum remains fixed regardless of the source’s motion or the …

Nov 20, 2025 · With the advent of new technologies and methods, physicists are looking for tiny, almost imperceptible cracks in the armor of Einstein’s theories, hoping to find evidence that could point to a …

3 days ago · Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might …

Despite this success, there is a long standing conflict between quantum theory and Einstein’s later theory of general relativity. Quantum theory uses probability waves to describe particles.

2 days ago · This contradiction ultimately led‌ Albert Einstein to develop his theory ⁤of special relativity⁣ in 1905,‌ which postulates that the speed of light in a vacuum is constant for all observers, …

May 16, 2025 · Some experiments hinted that the leap happens so swiftly that it appears faster than light, brushing against the limits set by Einstein’s special relativity. Others clocked a small but finite …