A Glass of Beer Is an Unsolved Engineering Problem
Bartenders manage it by feel, but the physics behind a stable beer head — bubble nucleation, surfactant proteins, nitrogen versus CO2 — is still an active, only partly solved research problem.

Bartenders manage it by feel, but the physics behind a stable beer head — bubble nucleation, surfactant proteins, nitrogen versus CO2 — is still an active, only partly solved research problem.

A review of Corey Powell’s God in the Equation — the book that traces how cosmology, dark energy, and Einstein’s Lambda became the foundation of a new secular religion.

Abstract Occam’s Razor — the principle that entities should not be multiplied beyond necessity —…

Most books about difficult ideas are written by people who have spent years learning to…

A review of Lawrence Krauss’s Atom — the biography of an oxygen atom from the Big Bang to life on Earth, and what it means that science, not religion, tells us who we are.

Ludwig Boltzmann never intended to erase reality. The Austrian physicist spent the second half of…