I'll be honest—friction is pretty complicated. Imagine that I have a block of wood sliding on a table. In some way, the atoms on the surface of the wood block are interacting with the surface atoms on ...

You’re on the street and you’re alone. Spanning the horizon, you see the sun cresting and one glorious corner after another. Some are slow, others are fast, with a few nice straights in between. Tire ...

Friction burns — aka rug burns — can happen when you fall on rough surfaces like asphalt and grass. You can care for minor burns at home by applying cool compresses and taking OTC pain medicine.

The viral wall friction trick is taking over social media. From pencils to full-sized chairs, content creators are testing a wide range of objects to see if the trick works. Wall friction content ...

The machine doesn’t care what it’s making—only that it’s making it fast. Frictionless systems optimize output. But meaning, memory, and margin live in the mess it leaves behind. The great smoothing is ...

Friction is responsible for about twenty percent of the world energy consumption. The main reason for this is that frictional forces slow down the motion of surfaces in contact: think of the moving ...