I review the first multiple choice question of the 2017 Physics exam. What really happens in a dry cell battery and how semiconductor transistors work is reviewed. MP4 recording     MP3 recording -- -- Your browser does not support the audio element.

I review the first multiple choice question of the 2017 Physics exam. What really happens in a dry cell battery and how semiconductor transistors work is reviewed. MP4 recording MP3 recording -- -- Your browser does not support the audio element.

I review the first multiple choice question of the 2017 Physics exam. What really happens in a dry cell battery and how semiconductor transistors work is reviewed. MP4 recording &nbsp; &nbsp; MP3 recording -- -- Your browser does not support the audio element.

Edison and DC electricity distribution

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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Edison and DC electricity distribution

Edison and DC electricity distribution