Fusion Energy: Unlocks the power of the star

Scientists are experimenting to generate clean energy through fusion. This is the same subatomic reaction that moves the sun with the aim of building plants that produce more energy than they consume. Correspondent Ben Tracy will visit the National Ignition Facilities in Livermore, California. Here, the largest laser ever built is used as part of the process. Massachusetts federal fusion system. Overheated plasma burns approximately 180 million degrees Fahrenheit.