Friction usually announces itself through contact. A chair scraping across a floor, a tire gripping asphalt, a hand sliding ...

Friction and tactile interaction studies bridge the disciplines of materials science, biomechanics and neuroscience to understand how contact forces and surface characteristics influence human touch.

Most of us wish we had more than 24 hours in a day to get everything done and actually breathe. What if each day gave us more than double that time? If it wasn’t for a phenomenon that put the ...

The original version of this story appeared in Quanta Magazine. Galaxies have been merging into ever-bigger structures over the course of cosmic history. When galaxies merge, the supermassive black ...

Tidal migration – gradual outward movement of a moon due to gravitational interactions with its parent planet Axial precession – the slow wobble of a planet's rotational axis, which can fall in and ...