Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

I recently saw a coworker type out a SUM formula in Excel to get a quick total, only to delete it a second later. When I showed him a pro shortcut hidden in plain sight, he realized he'd been wasting ...

Flexibility is the ability of your joints to move through their full range of motion without pain or stiffness. It also refers to the pliability of the muscles that support the joints. Flexible ...

Jan. 19, 2026 A nearby active galaxy called VV 340a offers a dramatic look at how a supermassive black hole can reshape its entire host. Astronomers observed a relatively weak but restless jet ...

An important aspect in software engineering is the ability to distinguish between premature, unnecessary, and necessary ...