The first part of your question — how stellar objects reach millisecond spin periods — involves two concepts. First, the object needs to be small, since no material can move faster than the speed of ...

Maunakea, Hawaii - Taking a picture of an exoplanet--a planet in a solar system beyond our sun -- is no easy task. The light of a planet's parent star far outshines the light from the planet itself, ...

It’s a question I’m sure was keeping you up at night: can you make an object spin with a sound wave? The answer, generally speaking, used to be no. Now, though, mechanical engineers have taken a look ...