Transistors Are WAY Smaller Than You Think

I wish I knew sooner just how small transistors really are.The electronic switches inside everything that you use.Okay, let's start here.This is the size of the first iPod.And this is the size of the first transistor.But we're going so much smaller.

This is the smallest kind of ant.It's only one millimeter.As we get smaller, we approach the size of one of my favorite animals, the tardigrade.Now it gets crazy.The smallest human cell is the red blood cell.

But bacteria are even smaller.This is the size of the transistor in that first iPod.Subscribe if this is already blowing your mind.A flu virus is about this big.We're almost there now.This is the size of the transistors in the first Nintendo Wii.

And if we keep going all the way down, this is about how small today's transistors actually are.Only a few nanometers wide.And we're trying to make them even smaller.If you want to know how, subscribe.