Einstein showed that time and space are not fixed entities, as they seem to us, but are actually changeable. As Brian Greene explains, it's all based on an observer's state of motion compared to that ...

Rogue black holes kicked from their galactic lairs are among the surprising predictions made by physicists using powerful computers to solve Einstein's equations of general relativity. David Appell ...

In 2026, Penn State celebrates the centennial anniversary of awarding its first doctoral degree — in physics — to Marsh White ...

Yesterday, I wrote about the core concepts needed to understand quantum physics, which is one of the two pillars of modern physics. The other, of course, is the theory of relativity, the full and ...

One of the goals of modern physics is to determine the underlying rules that govern our reality. Indeed, one of the wonders of the universe is that just a few rules seem to describe many aspects of ...

Einstein’s famous tenet of special relativity — that time slows down on a moving clock — has been verified 10 times more precisely than ever before. The result comes from physicists in Germany and ...

A recent theory of gravity has stimulated intense debate and many explorations of its implications. There is, however, an example that served as a model for Hořava’s theory. The example, due to ...

An experiment that searched for violations of relativity with unprecedented precision may lead to new probes of phenomena beyond standard physics theories. Rare measurement material. A new type of ...

But, as is increasingly true for physics, simple just doesn't cut it anymore. Einstein's starting point for general relativity was his theory of special relativity, published in 1905. This explained ...

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