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Author Topic: Prisms and their uses  (Read 2550 times)

Offline Corbeille

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Prisms and their uses
« on: 02/12/2004 20:44:53 »
At school we used them to replicate Newton's experiments, I later saw them in SLR cameras, but why did they exist before Newton's light experiments?

I'm assuming he didnt invent them so what were they used for?








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Offline gsmollin

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Re: Prisms and their uses
« Reply #1 on: 07/12/2004 04:37:51 »
I'm just operating from memory here, but I think that it was already known that prisms would break up a beam of light into its spectrum, but Newton was the first to show that the spectrum could be sent through a second prism that would recombine it into a beam of white light. The first optical computer.
 

Offline Corbeille

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Re: Prisms and their uses
« Reply #2 on: 07/12/2004 17:11:36 »
Thanks GSM,

were they invented as a type of toy with only one use, to break up white light?  I have only heard of one use for a prism centuries ago and that was Isaac Newton experiments. As they existed before him they must have had some use to be worth the effort, any ideas?




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Offline Ultima

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Re: Prisms and their uses
« Reply #3 on: 07/12/2004 19:14:28 »
I have a prism for my right eye YAY....

wOw the world spins?
« Last Edit: 07/12/2004 19:16:41 by Ultima »
 

Offline neilep

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Re: Prisms and their uses
« Reply #4 on: 07/12/2004 19:57:08 »
Isn't PRISM where naughty triangular glassy things get sent to ?

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Re: Prisms and their uses
« Reply #4 on: 07/12/2004 19:57:08 »

 

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