Quantum Gravity

John Brockman, founder and proprietor of the Edge website, asks a question every New Year and invites the public to answer it. THE EDGE QUESTION 2012 was, “What is your favorite deep, elegant, or beautiful explanation?” He...

I sometimes like to think about what it might be like inside a black hole. What does that even mean? Is it really “like” anything inside a black hole? Nature keeps us from ever knowing. (Well, what we know for sure is that nature keeps us from...

“Scientific research in many domains of knowledge has time after time proved the necessity of abandoning or remoulding viewpoints which, due to their fruitfulness and apparently unrestricted applicability, were regarded as indispensable for...

“Everything here is fraught with danger and excitement,” says Nima ­Arkani-­Hamed, Professor in the School of Natural Sciences. With a broad sweep of his hand, he motions to the diagram he has drawn on the chalkboard in his office of the range of...