I came across this photo in a book of Canadian Photography. Taken in 1950, it depicts a U of T professor demonstrating the properties of liquid air. You can just see the reverence for science and teaching...I mean, he is wearing a 3 piece suit with a watch dangling from his pocket and an army helmet in case something should go wrong and he is spraying the first 3 rows of his class with liquid gas. In the photo, you can see the different states of liquid...first a giant cloud of gas followed by drops of water streaking out the other end. In the black and white photo, the water droplets almost look like embers flying off a fire. The blackboard is filled with equations and diagrams all written in perfect handwriting.
I found this clip on Youtube. Must be the same guy although he looked younger in the photo.
http://www.youtube.com/watch?v=YUMCoQTO0eY
1 comments:
This is great.
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