Optical Properties of Materials presentation

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The discussion focuses on finding engaging topics for an oral presentation in an Optical Properties of Materials class. Suggestions include exploring how chameleons change color and discussing the workings of liquid crystal displays (LCDs). Participants emphasize the importance of selecting subjects that are visually appealing and not overly theoretical. Resources for research, such as websites and articles, are encouraged to aid in preparation. The conversation highlights the balance between interesting content and accessibility for the audience.
skyboarder2
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Hi everyone,

I'm trying to gather some ideas of subjects for an oral presentation in my Optical Properties of Materials class: I'd love to find something pleasant or at least nice to develop (like I heard "how a cameleon changes color?"^^), not too theoretical if possible... And with some websites/paper to prepare it...
Do you have some ideas which could help me? Thanks you a lot
Skyboarder
 
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How about discussing how a liquid crystal display works?

Typing "how LCD works" into google bring up everything from pics to video to very theoretical articles.

If you want to go further try typing in

nematic crystals

go well
 
I would like to use a pentaprism with some amount of magnification. The pentaprism will be used to reflect a real image at 90 degrees angle but I also want the reflected image to appear larger. The distance between the prism and the real image is about 70cm. The pentaprism has two reflecting sides (surfaces) with mirrored coating and two refracting sides. I understand that one of the four sides needs to be curved (spherical curvature) to achieve the magnification effect. But which of the...
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