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Liquid Crystals | Intro & Theory 

Michael Evans
Подписаться 27 тыс.
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Experiment 10 in CHEM 1211K is titled “Liquid Crystals.” This video introduces polarized light and discusses how nematic and chiral nematic liquid crystals interact with light. You’ll observe these phenomena in the laboratory.

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22 авг 2024

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Комментарии : 21   
@oliversmith2
@oliversmith2 9 лет назад
Very strange not many views on this video. It's the only one related to my search... liquid crystal polarisation North Pole. Good use of tags, this is exactly what I wanted.
@Astronutt122
@Astronutt122 3 года назад
Look out rih
@Astronutt122
@Astronutt122 3 года назад
Hi
@alvinleeeee
@alvinleeeee 7 лет назад
It's very sad that this video ends before it goes into chiral liquid crystal. Would love to learn more about how circularly polarized light react when passing through a layer of chiral liquid crystal.
@AsiaDanceScene
@AsiaDanceScene Год назад
Really liked your explanation of pitch, helped me understand that nicely.
@aion2177
@aion2177 3 года назад
Thanks for the video. I wanted to understand more about why is plane polarized light partially rotated and by how much based on this why... as opposed to just stating that indeed plane polarized light rotates while passing trough the crystal. Also a bigger picture where 8+ of this molecules are shown connecting with each other assembling that we call the crystal - where exactly are the molecular bonds - would be nice as opposed to just seeing one of this molecules and trying to imagine how the heck they bond to each other. Not because is important as knowledge for an intro video - but to remove the voodoo magic out of such crystals. But overall very good explanation :) Thanks a lot.
@simrannahar8262
@simrannahar8262 Год назад
Very well explained, thanks!
@habtamusium8646
@habtamusium8646 3 года назад
thank you ! you imparted me many lesson to many years knowledge gap
@iyadindia862
@iyadindia862 4 дня назад
May I know, in labs, how the order parameters of liquid crystals are found?
@theoneprince777
@theoneprince777 3 года назад
Very interesting
@natethegreat5470
@natethegreat5470 5 лет назад
How dangerous is the "fluid" inside LCDs? Can it leak out of the monitor by any chance
@Astronutt122
@Astronutt122 3 года назад
Do you mean web fluid
@user-pi2nl6iu2n
@user-pi2nl6iu2n 5 лет назад
Good video
@mohammedviso2269
@mohammedviso2269 6 лет назад
Great video .....Thanks
@edwincasco8250
@edwincasco8250 8 лет назад
Hi Michael, is it possible for you to provide what the plot of wavelength vs temp looks like or share a reference in literature where I can study this further? Thanks!
@Skunkhunt_42
@Skunkhunt_42 6 лет назад
Interesting, danks!
@rodneymoyo6279
@rodneymoyo6279 6 лет назад
Hie, if I were to synthesize the liquid crystals in the lab, the cholesteric liquid crystals, which starting material would I need
@Anthony-bz2xs
@Anthony-bz2xs 6 лет назад
you would need cholesterol.... thats why its called cholesteric LC
@lolzomgz1337
@lolzomgz1337 7 лет назад
7:03 Right, but what's the actual equation? If i wanted to get a numerical value for wavelength, how would I do it?
@Anthony-bz2xs
@Anthony-bz2xs 6 лет назад
hey mr evans, what is that program you are using?
@mevansthechemist
@mevansthechemist 6 лет назад
I use ScreenFlow to record and DoodleDesk for drawings on this video. For videos where I draw on PowerPoint slides, I use Deskscribble.
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