There is no pink light

Pink doesn't exist!

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

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• Category

  Education

[Daniel Hickman]

The background music sounds like the Blue's Clues Song

[Despoor Shorng]

So, plants eat the pink of a nuclear furnace 8 light minutes away, and spit out green? And what does this say about pinkie pie?

[invisifish]

I think he was referring to the graphical representation when he said it's replaced by pink - something that doesn't emit visible light can't emit any color either, or be seen at all. Not by us at least - some animals have receptors that allow them to see infrared and other wavelengths that are invisible to us. Instead, what he is saying is, if you took white light, that is all wavelengths, and filtered out only the green, the remaining light would appear pink.

[SynysterMacca]

This is what I got from it:

Everything in the universe that does not emit visible light is pink.

I bet I'm wrong but yeah. That sounds pretty weird.

[isaac palmer]

lack of green light reflecting I guess

[ibengmainee]

So was that a Minus Greengo at the end of the video?

[BigGamer2525]

I'll send her a link . . .

[TwilightWolfi]

She is currently consuming the sun without us knowing. No wonder she's full of energy.

[CreeeperArmy]

YES!!!

[julesdownunder]

The headline is confusing. It should be 'Spectral magenta does not have a wavelength of its own'. Please make it clear that you're talking about spectral colours seen when light is dispersed through transparent media (eg glass prism), not reflected light from objects in the world.

Its interesting that we see magenta in these circumstances, but since EM waves are circular, surely overlap of red and blue is to be expected to be seen somewhere. Remember, light comes in the form of raindrops.

[julesdownunder]

The assertion 'there is no pink light' is controversial. Some scientists argue absurd since no EM radiation is 'coloured'. Colour is always in our brains, 'sensed' in response to the presence, absence, overlap or underlap of visible EM radiation interacting with our retinas. It would pay to read Michael Moyer's online article "Stop this absurd war on the colour pink'. Having said that, magenta (not pink) intrigues me coz it requires wavelengths at the extreme ends of the spectrum to meet.

[Alfredo Guerra]

i kinda wish my boogies were minus green.