Window air conditioners are lifesavers, cooling your room on hot days. How do they achieve this? Appliance Science looks at the cool physics of window air conditioners. Essentially born with a camera ...

Refrigeration: the process of decreasing the temperature of some thing (my definition). Air conditioning (AC) can be a form of refrigeration. There are several ways to reduce the temperature of things ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. Longer ago than I care to calculate, I was sitting in a lab working on ...

Scientists have discovered that under the right conditions, a gummy bear-like ball can roll down a vertical wall all by itself—upending a core assumption in physics. Reading time 2 minutes If you ...