Redefining the repeating pattern in photonic crystals creates tightly confined pathways for light while preserving symmetry, offering a simple route to ultracompact and low loss light circuits.

Could our solar system, and everything we know, actually exist inside a black hole? It sounds like something from a ...

Just as many of us are struck by the beauty of symmetrical patterns in nature and art, Chen-Ning Yang had a deep feeling for ...

Although Earth’s two hemispheres lie on opposite sides of the planet and differ in many ways, they share a peculiar ...

Mathematicians thought that they understood how rotation works, but now a new proof has revealed a surprising twist that ...

Prince Rupert of the Rhine first asked this question in the 17th century, and he soon found out the answer is yes. Later, ...

Can you drill a hole in a cube that an identical cube could fall through? Prince Rupert of the Rhine first asked this ...

“A single application is never sufficient, but applying this doubled, rescaled force guarantees an exact return,” boasts ...

Earth’s once-balanced energy budget between the Northern and Southern Hemispheres is shifting, according to 24 years of NASA ...

If you twist something — say, spin a top or rotate a robot’s arm — and want it to return to its exact starting point, ...