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 ...

Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core groups—reciprocal, quotient, and Pythagorean—form the foundation. Effective strategies ...

Bob has been designing hardware and coding software for decades. He likes to draw and write. He’s a web cadet wannabe. Bob has been designing hardware and coding software for decades. He likes to draw ...

Abstract: The abundant grid-connected power electronic devices and non-linear loads used widely have caused power system harmonic pollution. Harmonic detection is very important for selective harmonic ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In the mid-twentieth century, ...

Trigonometry, with its complex angles and functions, can be a challenging topic for both students and teachers. To ease this challenge, we’ve compiled a collection of highly effective trigonometry ...