On the planet Tython, the ancient Je?daii order was founded. And at the feet of its wise Masters, Lanoree Brock learned the mysteries and methods of the Force?and found her calling as one of its most powerful disciples. But as strongly as the Force flowed within Lanoree and her parents, it remained absent in her brother, who grew to despise and shun the Je?daii, and whose training in its ancient ways ended in tragedy. Now, from her solitary life as...

Dr. Carroll explains the subject of dark matter and dark energy in 24 lectures. He explains why scientists believe we live in a smooth, expanding universe that originated in a hot, dense state called the Big Bang. He describes the features of the infant universe that led to the large-scale structure we observe today. He takes you through the standard model of particle physics and shows how it provides the framework for understanding the interaction...