Since I was young, I've wondered about pain relievers and how they work. Thankfully Richard Byrne over at FreeTechForTeachers pointed me to this awesome animated explanation that's part of the TED-Ed series of videos.
A few things to notice about this video, from the explainer perspective:
The First Half of the Video is Mostly Context
It starts with an easy first step - everyone knows the discomfort of pain - it makes you want to do something to relieve it. No viewer would disagree or lose... Continue Reading