Everyone talking about magenta and brown, but you can see an illusory color right now even without lasers! https://dynomight.net/colors/ behold, some kind of hyper-turquoise
NIST scientists create 'any wavelength' lasers
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Re: NIST scientists create 'any wavelength' lasers
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#76Everyone talking about magenta and brown, but you can see an illusory color right now even without lasers! https://dynomight.net/colors/ behold, some kind of hyper-turquoise
The whole idea of colour and light frequency is fascinating. These are just frequencies of light, but the subjective experience of them is so much more. And the whole thing of my perception of "red" or what I call "red" could be very different to someone else's subjective perception. But we would both call it red and associate it with the same thing, fire, love, heat, danger etc.
It's worth noting that is true of virtually everything we know. >>This is a very simple sentence.relationships between the different concepts or colors will be analogous amongst most people - so a common understanding within the differences is possible. Or perhaps it is more precise to say that there are so many data points in color perception or anything we know, that despite the minor differences in relationships, we understand each other because the differences must be minimal given the practically unlimited data points constraining our perceptions. In fact, when people's perceptions of things vary too much, they can be classified as mentally ill even if they understand many things perfectly well.
Re: NIST scientists create 'any wavelength' lasers
#77Earlier quoted context omitted.
I think it's important to remember that we're not perceiving some fundamental aspect of light. We're perceiving how the photosensitive portions of our retina convert light to stimulus, and how our brains construct a meaningful image from that stimulus in our mind. Like film photography doesn't happen in the lens or the world. It happens in that photosensitive chemical reaction, and the decision of the photographer.
It reminds me of how vinyl records are fairly lossy, but they provide a superior experience in some cases because those limitations have been accounted for during the mastering process. It's an entire pipeline from photomultiplier to recording medium to the inverse process and everything is optimized not for any particular mathematical truth but for the subjective experience.
Re: NIST scientists create 'any wavelength' lasers
#78Earlier quoted context omitted.
It's called orange. Much like bright gray is called white, and bright teal is called turquoise.
Light brown is called tan. Dark and light oranges exist too and they’re not exactly the same as brown.
He says brown is perceived when you see an orange-wavelength light that is significantly darker than its surroundings, providing the necessary context for your brain to interpret it as brown.
Re: NIST scientists create 'any wavelength' lasers
#79Earlier quoted context omitted.
But also - colours don't exist without a name eg. Before Orange, there was only shades of yellow or reds
The colors most certainly exist without the name. You may have described the fruit as being a weird shade of red, but if someone held up something red and said "so it was this color" you'd say no. Conversely if someone held up something that was actually orange colored, you'd say "yeah it was that color." Similarly, you may have no idea what the name is for the color of a Tangerine, but you know what that color is. Y…
Re: NIST scientists create 'any wavelength' lasers
#80Earlier quoted context omitted.
Two wavelengths do it; one does not suffice. It's like a perfect fifth can not one note.
The interference is a wavelength too. Maybe not pure but it is one. Afaik they cannot be interpreted as two separate wavelengths and then “brain combined” when the aperture (the retina) is so small.