By using the "Hill's glow and blow resistors" you can set up a series circuit that when one resistor is cooled the other one heats up. Podcast

Seeing Current and Voltage in a Circuit.

You are welcome to listen in as I "explain things scientific". I have had great fun with lasers, robots and absorbing Quantum Physics.  Now as a classroom teacher, laid low by heart surgery its time to pick yourself up, dust yourself off and give it all you've got. "And in the mean time keep on doing science"

Natural Sciences

You are welcome to listen in as I "explain things scientific". I have had great fun with lasers, robots and absorbing Quantum Physics. Now as a classroom teacher, laid low by heart surgery its time to pick yourself up, dust yourself off and give it all you've got. "And in the mean time keep on doing science"

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Seeing Current and Voltage in a Circuit.

Seeing Current and Voltage in a Circuit.