'Discovering the Cosmic Microwave Background' with Robert Wilson - Feb. 20, 2014

In 1964 Robert Wilson and Arno Penzias discovered a mysterious radio hiss coming from all directions. It turned out to be the whisper of the Big Bang - an afterglow known as the cosmic microwave background. On the 50th anniversary of this profound discovery, the Harvard-Smithsonian Center for Astrophysics held a special event featuring talks by four leading experts.

Here in Part 2, Robert Wilson himself describes his Nobel Prize-winning discovery. See our other uploads for Parts 1, 3 and 4.

Recorded on Feb. 20, 2014