QI masterfully deconstructs our sensory biases by revealing the hidden physics behind nature's most vibrant colors. It is a brilliant reminder that what we perceive as objective reality is often just a sophisticated trick of light and structure.
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Where Do Most Kingfishers Really Live? | QIAñadido:
Most of the kingishes of the world live near what?
>> Water.
>> Rivers.
>> No, they don't.
>> Forest.
>> Kingfishes.
>> No. Most of the kingishes in Britain live near water.
>> They live near. But most of the kingishes in the world don't. No. Not near water at all.
>> Well, why are they called kingfishes?
>> Because that's a British word for them because we in Britain see them by the river.
>> Well, they're called kingfishes all over the world.
>> No, they're called in Greek and not called think they call them.
>> Why does the Greek for king fisher?
>> Hian. Exactly. But it doesn't mean fisher.
>> There it is. Fishing. It's Brit in Britain.
>> From Britain again.
>> In Britain.
>> He does. I mean, the evidence is there.
>> Not if you go to go to >> somewhere that is in Britain.
>> Africa, for example.
>> Well, I've seen a king fisher in not not anywhere near a river. You're right.
>> Yeah. They mostly >> Yes. mostly in Africa. They live in disused termite nest.
>> It look lost.
>> They live in disused disused termite nests. You haven't got a fish on your bill.
>> Yeah.
>> Any hints of river around here? Water.
>> What is the color of that king fisher?
>> It's so turquoisey really, isn't it?
Turquoise.
>> Brown.
>> It's brown.
>> Yeah.
>> This program is getting more and more.
>> It is actually a sort of optical illusion. In fact, the the actual color pigment is brown, but it irides.
Well, I must remember I'll go to the middle of the Sahara Desert and get one >> and then put it in a darkened room and see what color it is.
>> Yeah.
>> So, but but just because it's not near a river doesn't mean it's in the Sahara Desert.
>> Are you saying that the color it is isn't the color that it appears to be?
>> The color. No, because all color is perception. Just about a wavelength of color.
>> That's kind of what I meant by color.
>> Yeah. But it's a bluey color. But the but the if you examine it in terms of its actual pigmentation >> right up close.
>> Right up close rather than the way it is presenting with the light striking it.
>> All right. So if I examine it without any light.
>> No.
>> Oh that feels brown.
>> I just don't understand when you do this on the show. You go that brown thing is a blue thing. That blue thing is brown.
>> I know. I know. But iridesence is a very particular quality in the same way that petrol is not rainbow colored, but you put it on water in a puddle and it seems to be, but it's not the color of petrol.
>> Nobody knows what color petrol is.
>> Exactly.
>> Cuz it goes into your car. I don't see it.
>> That's right.
>> There used to be. No one has ever checked.
>> Nobody's ever What color is it?
>> They used to have pink blue diesel, didn't they? For red diesel, which you're not allowed to put in your car.
And I don't.
>> Yeah. Quite right.
Evading tax, Jeremy. It's a slippery slope. Gor, >> thank you for watching. Do remember to subscribe to the Qi channel and click here to watch more videos.
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