While I’m gone…

I’m going to be gone on 9/18 and 9/20. Rather than cancel class or have a guest lecturer, I’m going to have you watch two YouTube videos on the topics I would have talked about if I were here.

The first is on the physics of a railgun. Remember, the weapon in the movie Eraser was supposed to be a handheld version of the railgun. While such a thing doesn’t yet exist, the movie was correct that the Navy has been working on developing a railgun for decades and has finally come up with a design that is being deployed on ships. This video explains the basic physics of such guns.


The second video is on the topic of conservation of energy. We’ll do more with this when I get back, but it will be helpful if you’ve covered the basics on your own.


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