For more than a century, gravity has been the stubborn outlier in physics, resisting every attempt to be folded neatly into the quantum rules that govern the rest of nature. Now a convergence of bold ...

Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?

Despite its flaws though, ‘chair theory’ has taken off on TikTok, with a number of people reflecting on times where they were ...