Tuesday 10 March 2020

The wood and Metal Tube

I have a metal and wood rod. I wrap it with a piece of white paper and then put this into a burner. As I heat the rod one side becomes burnt but the other side ( the metal side) stays uncharred. Why is this?
Watch https://www.youtube.com/watch?v=y7p-kUshVDk

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TRS-80 Model 100

  The TRS-80 Model 100 coming out for its annual outing, showing to the students a working laptop computer from 40 years ago.