Electricity & electrons in a wire with Professor Lewis (273)

<p><span style="font-size: 10pt;">Electricity is a great foundation for sustainable energy but Dr Karl discovers how little he knows about the physics of electrons. We all have much to learn about the source of power from Professor Lewis.  <br /> <a href="http://www.drkarl.com">drkarl.com</a><br /> <a href= "http://www.geraintflewis.com">geraintflewis.com</a><br /></span></p>