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Diffraction gratings at stores?

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Hello! I was wondering I diffraction gratings are sold at stores. Maybe Walmart or lowes? Thanks.
 

ARG

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I doubt it, but you may be able to find these.



Then lens' are just diffraction gratings :)
 

Livinloud

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might want to try magic or science stores if you have any around you. flash paper is also a cool thing to look into and can be found at magic stores ;)
 

IsaacT

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Teacher Supply stores like Teacher Heaven may have the in the physics section...They will be the cheap plastic ones but they will be diffraction gratings nonetheless.
 

hakzaw1

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Break into old cell phones-the clear pieces of the screen will make either a line grating or a crosshair..
t
While you have it apart try to locate the teensy ac motor that makes your phone vibrate-for mini spyro these are used.

also Flat screen monitors-have a sheet of thin plastic that worh.

Buy a JETLSERS laser and when we have them in stock we add a free 15mmX15mm glass star grating.

Scopeguy Glenn Hand adds a 35mm slide wth all he sends out.

nice guy- nice free goodie too.
 




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