Swirling Vortex of Bathtub Water Reveals an Elusive Mechanism of Black Hole Physics (

When a black hole is active, we tend to focus on the effect it has on the material it’s slurping up. It makes sense to do so; black holes themselves are difficult to probe. But the interaction between the black hole and the material should have an ef

Army Research Develops ‘Living Material’ that Interacts with its Environment (

Mars Mission | The Spaceship