Most physicists doubt that time exists. On this page 40 years ago, we published scientific ‘proof’ of time being illusory. We pointed out that none of the equations of physics, from Newton’s laws to ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

A comprehensive developer guide to implementing secure authentication in modern applications. Covers OAuth 2.0, OIDC, ...