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.

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 ...

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 ...

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 ...

You’d think writing for Hackaday means we probably don’t get surprised very often by projects… but then we see something we never thought was possible — in this case, the linear friction welding of ...

Learn about friction cost to make better informed decisions: its implications in investments and loans, and how it helps assess the true cost of financial transactions.

Even in our best winter boots, we often slip and slide on icy sidewalks. Researchers at the Toronto Rehabilitation Institute noticed this problem and decided to investigate just how resistant winter ...