Clutch design isn’t about convenience, it’s a physics experiment between friction, torque, and human timing. The 2013 EVO GSR embodies that balance, especially when fitted with performance upgrades.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Active matter: this microscope image shows part of a cluster of self-propelled particles, colour-coded according to their distance from the centre. (Courtesy: Jie Zhang, Ricard Alert, Jing Yan, Ned S ...