A ‘mock meteorite’ made up of a ball of clay. Researchers used this model to show how objects moving through fluids like water will naturally erode into cone shapes. Image Credit: NYU's Applied ...

An old Columbus pal who has lived in Philadelphia for many years once told me that your first genuine Philly cheesesteak is probably the best one you’ll ever have. My friend could have been describing ...

Meteoroids coming from outer space are randomly shaped, but many of these, which land on earth as meteorites, are found to be carved into cones. Scientists have now figured out how the physics of ...