EVEN to the present day, the existence of the Principle of Relativity, which arose as a branch of physical theory, is somewhat trouble-some to the individual physicist, owing to the efforts of his ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Michelson's interference experiment / by H.A. Lorentz -- Electromagnetic phenomena in a system moving with any velocity less than that of light / by H.A. Lorentz -- On the electrodynamics of moving ...

A century has passed since the birth of quantum mechanics, yet the puzzles raised by its founders continue to challenge the minds of scientists. While technologies stemming from this field, such as ...

Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...

In a 1923 book called “The Principle of Relativity,” Albert Einstein seemed to call out to better-equipped scientists of the future to establish the truth of his mind-bending theoretical work. “Apart ...