How the Sun works: Fusion and Quantum Tunneling
Now that you know about the sun, do you want to learn about quantum tunneling? http://bit.ly/p7l3gv Sorry I'm late - I was busy working on freddiew's new video: http://bit.ly/n73Uwj minutephysics is now on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics Twee