With the Rock back in theaters with 'The Smashing Machine,' THR takes a look at all 50 of his films to see how they stack up ...

Discover the fascinating process of generating energy from a DC motor using a gear mechanism. In this video, we guide you through the steps of harnessing mechanical power efficiently and effectively.

Discover the fascinating process of creating your very own DC motor or generator in this detailed instructional video.

Tesla teases a product launch event on Oct. 7 with some cryptic videos that have the internet buzzing. After years of mixed ...