Recent content by James William

Hello, As I understand there is a problem in physics where point-like massive (or charged, etc.) particles would have infinite mass/energy (or charge, etc.) density. I'm curious how in the context of String Theory how we address the same problem? I have come to understand Strings as...

I read this interesting paper showing that in less than a million years, one star will fly past our Sun at a distance of about 0.13 light years [1]. How might I calculate the maximum disruption this could cause on the orbit of an object in orbit around our Sun, such as planets and comets...