Visual light is determined by the wavelength of the light wave.
![[Image: spectrum.jpg]](https://images.weserv.nl/?url=www.mdsupport.org%2Fimages%2Fspectrum.jpg)
I suspect we get the specific color (such as red being longer, rather than getting green from a long wavelength) just from the ways our eyes absorb these waves.
![[Image: spectrum.jpg]](https://images.weserv.nl/?url=www.mdsupport.org%2Fimages%2Fspectrum.jpg)
I suspect we get the specific color (such as red being longer, rather than getting green from a long wavelength) just from the ways our eyes absorb these waves.
![[Image: SigBarSping_zpscd7e35e1.png]](https://images.weserv.nl/?url=i169.photobucket.com%2Falbums%2Fu224%2FUchiha_Kina%2FTags%2FSigBarSping_zpscd7e35e1.png)