For decades, a black hole that has as much spin or charge as it can given it mass was considered mathematically impossible. A new proof reveals otherwise.
https://www.wired.com/story/mathematicians-prove-stephen-hawking-wrong-about-the-most-extreme-black-holes-space-physics-astrophysics/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/story/mathematicians-prove-stephen-hawking-wrong-about-the-most-extreme-black-holes-space-physics-astrophysics/?utm_source=dlvr.it&utm_medium=blogger