View full lesson: http://ed.ted.com/lessons/if-matter-falls-down-does-antimatter-fall-up-chloe-malbrunot

Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloé Malbrunot investigates that question by placing two particles — one made of matter, and the other antimatter — in the cockpit of a plane, ready to jump. What do you think will happen?

Lesson by Chloé Malbrunot, animation by TED-Ed.