Half a croissant, on a plate, with a sign in front of it saying '50c'
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Spectrum Stop Lights

 Enforced by law
  (+1)
(+1) 		  [vote for,
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I'm tired of yellow lights. I want as many different colored lights as there are
—JesusHChrist, Oct 02 2016

For example: http://www.astronom...ydrogen-spectra.jpg
Hydrogen emission spectrum; gives you 5 colours. [neutrinos_shadow, Oct 02 2016]

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       But using the spectrum of what? I'm thinking sodium would be a good start...
—neutrinos_shadow, Oct 02 2016
   

       I read this as "Speculum Stop Lights", and that made me cringe.
—blissmiss, Oct 02 2016
   

       It would be inappropriate to speculate on that.
—MaxwellBuchanan, Oct 03 2016
   

       You'd need lead-glass windscreens for when the lights go Gamma ...
—8th of 7, Oct 03 2016
   

       - #yellowlightsmatter
—tatterdemalion, Oct 03 2016
   


 

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