A central goal that modern physicists share is finding a single theory that can explain the entire universe and unite the forces of nature. The standard model, for example, leaves , , and even gravity ...

“The subatomic particles we see in nature, the quarks, the electrons are nothing but musical notes on a tiny vibrating string . . . Physics is nothing but the laws of harmony that you can write on ...

Einstein desperately wanted a unified theory of physics. Thanks to gravitational waves—the poster child of general relativity—his wish might just come true. Gravitational waves are ripples in the ...