He arrived onstage without a violin — neither his 1714 Soil Stradivarius nor his Guarneri del Gesu 1743 Sauret, which he has played on concert stages around the world — and still gave a command ...

John McGreevy is Professor of Physics at the University of California, San Diego. He is a theoretical physicist with interests in quantum matter, string theory, and ...

String theory has long been presented as physicists' best candidate for describing the fundamental nature of the Universe. Yet, at the beginning of the 21st century, it became apparent that most ...