分类目录归档：color
One of the most striking properties about life is that it has color.
To understand the phenomenon of color, it helps to think about light as a wave.
But, before we get to that,
let's talk a little bit
interestingly Charles Darwin was born a
very lightly pigmented man in a
moderately - darkly pigmented world over
the course of his life
Darwin had great privilege he lived in a
fairly wealthy home he
Translator: Andrea McDonough Reviewer: Bedirhan Cinar
You might have heard that light is a kind of wave
and that the color of an object
is related to the frequency of light waves it reflects.
High-fre
Translator: Andrea McDonough Reviewer: Jessica Ruby
Imagine a world
in which you see numbers and letters as colored
even though they're printed in black,
in which music or voices trigger a swirl
of mo
[Music]
[Applause]
well I was born with with a rare visual
condition called achromatopsia which is
total colorblindness so I've never seen
color and I don't know what color looks
like because I come f
This is the microraptor,
a carnivorous four-winged dinosaur that was almost two-feet long,
ate fish,
and lived about 120 million years ago.
Most of what we know about it comes from fossils that look l
In 1898, Marie and Pierre Curie discovered radium.
Claimed to have restorative properties,
radium was added to toothpaste,
medicine,
water,
and food.
A glowing, luminous green,
it was also used in be
[Applause]
raise your hand
if you have an item of clothes that is
purple
a few people in the audience now
raise your hand if you feel like that
item of clothing
defines who you are as a person
quite a
[Music]
hey
so i'm just gonna go ahead and break the
ice
i can already feel a huge wave of
discomfort and exhaustion
coming from my listeners and yes i'm
tired too
this year has definitely been rough
[Music]
so we are going to have a chemistry
lesson today folks but probably not the
kind of chemistry lesson you're thinking
about
i'm going to be talking about the
chemistry of color
as a scientific