This is where a home-made magnetometer comes in handy. You glue a tiny first-surface mirror to a magnet, suspend it on a string inside a large clear glass bottle, and shine a laser on it, noting the exact position of the reflected beam on a card taped to the wall. You can watch the beam wander during an aurora. As the earth's magnetic field lines are twisted and distorted, the magnet will respond, moving the mirror and thus the beam. I got this from "The Amateur Scientist" in Scientific American. It works. Just set it up somewhere in your house as far from other magnetic fields and large masses of ferrous metal as possible. --- Ann Blanchard <blanchard-a@ugs.utah.edu> wrote:
She did say the colors were red and white ripples, so colorwise, that fits with your idea. And are the weather reporters here fined if they say the words like pollution or smog? Happy valley can only be hazey???
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