Porsche driver Loek Hartog took on Le Mans, Nürburgring, and Spa over consecutive weekends. We set about learning what that takes.

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 ...

In the world of technical analysis, there is one reliable indicator for measuring market risk. The relative strength index ...

The world’s best clocks may be sensitive to an odd mix of quantum and relativistic effects that would stretch time and test ...