1 What is Ground? Earth Ground/Earthing
Explains what earth ground is and why it works as a reference potential; people recommend it to anyone confused by the many meanings of ground.
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3 recommended videos. Channel on YouTube
Explains what earth ground is and why it works as a reference potential; people recommend it to anyone confused by the many meanings of ground.
A demonstration of the curious ball bearing motor, which spins for no obvious reason, linked as an odd project along with a theory of why it turns.
Explains why electrons themselves drift slowly through a wire while electrical energy arrives almost instantly, often linked to clear up a common misconception.