Since the 1980s, string theory has emerged as the leading candidate for achieving every physicist’s dream: reconciling general relativity with quantum mechanics and thereby finding a tidy explanation ...

But despite its extraordinary popularity among some of the smartest people on the planet, string theory hasn’t been embraced by everyone–and now, nearly 30 years after it made its initial splash, some ...

In The Trouble with Physics, physicist Lee Smolin critiques modern consensus in his field. He is especially critical of string theory because, in his words, none of it has been proven and nobody knows ...