http://www.menssunglassescheap.com/polarized-amber/
How can you make a kaleidoscope?
I read the book The Science of His Dark Materials, and it has directions on how to proceed an "Amber Spyglass" kaleidoscope that shows all-sky with 2 polarized lenses and some cellophane. But I guess the directions are not good, because many times but I tried it, it never works. Can someone please tell me how?
I not read the book, but it seems you're talking about a polariscope kaleidoscope rather than a serious offense (eg useful) polariscope, you can watch: http://www.ganoksin.com/borisat/nenam/polaris.htm Those who seek merely pretty (like a kaleidoscope) Take a look at: http://scitoys.com/scitoys/scitoys/ light / polariscope.html You can make a more simple: the solid rod is not really necessary and instead of mylar, you can use cellophane. You can even leave the tube altogether:%% http://www.raft.net/ideas/Color 20Changing 20Disks.pdf BTW, when the instructions say "Cellophane," they mean _cellophane_. Some look like strips of cellophane, but have different chemical structure and so does not polarize light. Get the really cheap tape transparent rather than better. Now if you really want to make a kaleidoscope, see: http://www.optics.arizona.edu/academics/kaleidoscopehowtomakeakaleidoscope.htm http://kids.nationalgeographic.com/Activities/FunScience/Be-dazzled http:// http://en.wikipedia.org/wiki/Kaleidoscope www.youtube.com/watch?v=ejTODiWA11U BTW, I polariscope made two very simple and kaleidoscopes. Once you know how they work, you can go wild. The most stylish I've seen include: HTH http://www.kaleidoscopestoyou.com/brka.html?gclid=COKN24bZlZsCFRwDagodABpLow
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