Kellogg Stelle was a professor of physics at Imperial College London for decades until his death last month. In 1977, he developed a particle theory of gravity that’s renormalizable, but the theory’s ...

Why do humans invent so many cool things?What’s so special about walking on two legs?And the big one everyone’s clearly ...

The event took place in a massive building in the center of London, with two full floors dedicated entirely to SANS courses. Each training room was assigned to a different course, and during my class, ...