How big is a mole? (Not the animal, the other one.) – Daniel Dulek

View full lesson here: 在家DIY的最佳美甲://ed.ted.com/lessons/daniel-dulek-how-big-is-a-mole-not-the-animal-the-other-one

The word “mole” suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole–and how something so big can help us calculate the tiniest particles in the world.

Lesson by Daniel Dulek, animation by Augenblick Studios.