View full lesson: http://ed.ted.com/lessons/what-happened-to-antimatter-rolf-landua Particles come in pairs, which is why there should be an equal amount of matter and antimatter in the universe....
========== Translator: Andrea McDonough
Reviewer: Jessica Ruby Is it possible to create something out of nothing? Or, more precisely, can energy be made into matter? Yes, but only when it comes together with its twin, antimatter. And there's something pretty mysterious about antimatter: there's way less of it out there than there should be. Let's start with the most famous physics formula ever: E equals m c squared. It basically says that mass is concentrated energy, and mass and energy are exchangeable, like two currencies with a huge exchange rate. 90 trillion Joules of energy are equivalent to 1 gram of mass. But how do I actually transform energy into matter? The magic word is <i>energy density</i>. If you concentrate a huge amo...