Our first roundabout (map: http://bit.ly/d1zQgI). I had to put it to good use as a physics demo. Why does the bobber behavior this way?
Side note: a helium balloon tied to the car's cup holder does something different.
Using a YCBO superconductor and liquid nitrogen, my student teacher (Sarah Marheine) demonstrates the Meissner Effect.
More stuff from “Science”
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