The theory of special relativity is rife with counterintuitive and surprising effects, the most famous of which are length ...

A POPULAR exposition of the doctrine of Relativity and what it implies: for this the world has been crying since the astronomers announced that the stars had proved it true. Here is an excellent ...

Lightspeed travel is a popular concept in sci-fi and pop culture, but it's not a technology we are likely to see anytime soon ...

Generative AI is currently dominated with large language models. The advent of small language models has huge promise. Here's ...

Berry used mathematical means to investigate what would happen to the neutron if the direction of the magnetic field changed slowly. According to the so-called adiabatic theorem, which was introduced ...

General relativity is physicist Albert Einstein's understanding of how gravity affects the fabric of space-time. The theory, which Einstein published in 1915, expanded the theory of special ...

Assuming familiarity with advanced calculus, classical mechanics, electrodynamics and special relativity ... The main text describes relativity as a physical theory, with applications to astrophysics ...

New research has unveiled a previously unacknowledged effect of Einstein’s relativity theory similar to time dialtion and ...

Two massive galaxies are bending light from the same distant quasar, creating a so-called Einstein zigzag lens that could help astronomers pin down how quickly the universe is expanding ...