Tag: light

Why are Stars Star-Shaped?

When you ask someone to draw a star, they’ll probably draw something like this – or this or this. Even ignoring the rainbows, this doesn’t...

How Do We See Color?

There are so many wonderful colors in the world – canary yellow, cadmium green, ultramarine. ULTRAMARINE! But how exactly do we get to see these...

How the Human Eye Works

(Music Plays) In order to understand how we find the resolution of the human eye We must first have a basic understanding of how the...

What Are Eyeballs Made Of?

SciShow is supported by Squarespace. Whether you need a domain, website, or online store, make it with Squarespace [♪ INTRO] Eyeballs are … weird. They’re...