Author Topic: Wow, you can shift the rotation of polarized light with a magnet and oliveoil.  (Read 1095 times)

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Offline BrianHG

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I never knew this was possible, I though you needed liquid crystal & direct electrical charge.
See here:

Enjoy...
« Last Edit: February 08, 2017, 08:52:18 pm by BrianHG »
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Offline Buriedcode

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Quite a lot of substances exhibit that effect, and for a couple of decades now it was investigated as a way of non-invasively measuring blood glucose levels. It is indeed quite cool!
 

Offline james_s

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While not quite the same, this reminds me a bit of the old Eidophor projectors. Those were some fantastic machines.

https://en.wikipedia.org/wiki/Eidophor
 
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Offline KE5FX

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While not quite the same, this reminds me a bit of the old Eidophor projectors. Those were some fantastic machines.

https://en.wikipedia.org/wiki/Eidophor

That is utterly insane!
 
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Offline BrianHG

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While not quite the same, this reminds me a bit of the old Eidophor projectors. Those were some fantastic machines.

https://en.wikipedia.org/wiki/Eidophor

I remember seeing one of these at an Infocom trade show quite some time back.  Nobody was interested as the tech was quite obsolete, but, they had the top of the unit open with this flat plate tray with the oil where you could see the illuminated image.
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