Subscribe! Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and section. The purpose of posting my free video tutorials is to not only help ...

Learn all about writing the equation of a line. The equation of a line is such that its highest exponent on its variable(s) ...

The term "involute" refers to the shape of the teeth: the curves of the teeth are involutes of circles, which are curves that optimize gear performance. Figure 1.1.2: The three marked circles are key ...

Cross threading occurs when the bolt is misaligned with the threads in the nut. It can destroy the threads, or cause the nut to jam. The standard beveled end process makes cross threading a ...

A behind-the-scenes look at how Peter Jackson created his WWI documentary. A day with artist Derek Boshier as he works on a new painting and reflects on his life.