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I was watching Walter Lewin's course, and he said he learned a way to see and recognize polarized or linear light. And i wonder what it might be? What is the tricks?

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  • $\begingroup$ I don't know. This may be what he is talking about or may not bem, probably it is, though. $\endgroup$
    – kihlaj
    Dec 29 '15 at 21:47
  • $\begingroup$ @CuriousOne that's a good answer right there... $\endgroup$ Dec 29 '15 at 22:03
  • $\begingroup$ @DanielGriscom: I didn't watch the video and I didn't know about the phenomenon until twenty minutes ago. Google and Wikipedia need to get the credit. :-) $\endgroup$
    – CuriousOne
    Dec 29 '15 at 22:04
  • $\begingroup$ @CuriousOne Well, unless Google and/or Wikipedia will write the answer, then it seems like the task might fall to you ;) $\endgroup$ Dec 29 '15 at 22:08
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    $\begingroup$ @CuriousOne Of course, I push you to enter your answer, and then I gotta stick my oar in and edit it... $\endgroup$ Dec 29 '15 at 22:17
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Do you mean the phenomenon of Haidinger's brush? Thanks for pointing this out. I have seen this myself, but always thought that it was a flaw in my own vision. I didn't know it was a common phenomenon explainable by polarization.

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