What are the two big ideas of modern physics? How can nonscientists gain a handle on these ideas and the radical changes they bring to our philosophical thinking about the physical world?

World-famous scientist Stephen Hawking gives three ordinary people a series of fun physical and mental challenges. Can they think like a genius? This is a show where as you watch you realize you actually understand concepts that you never thought you would. In this mind-bending episode – can three volunteers work out if time travel is possible? Hawking leads us on a fascinating journey of discovery, featuring DeLoreans, clocks, a giant black hole...

Open with a look at a fan-favorite episode of Doctor Who and explore the nature of paradoxes in time travel. You will also see that science fiction doesn't always have to take itself seriously to tell a great story - or to explore fascinating philosophical questions - when you turn your attention to the Futurama episode "Roswell That Ends Well."

Science fiction is known for distinguishing elements: artificial intelligence, time travel, aliens, outer space, and more. Delve into one of the more iconic components of science fiction—the spaceship. Learn how the spaceship is portrayed in some of the most famous stories, as well as lesser-known works. Consider how stories of space exploration parallel and reflect the realities in which they are written..

Consider the weirdness of time: The laws of physics are time reversable, but we never see time running backwards. Theorists have proposed that the direction of time is connected to the order of the early universe and even that time is an illusion. See how Einstein deepened the mystery with his theory of relativity, which predicts time dilation and the surprising possibility of time travel.

A film portrait of the creative community of women writers, artists, photographers and editors (including Colette, Djuna Barnes, Gertrude Stein and Alice B. Toklas) who flocked to the Left Bank of Paris in the early decades of the 20th century. Utilizing groundbreaking research and newly discovered home movies, PARIS WAS A WOMAN re-creates the mood and flavor of this female artistic community in Paris during its most magical era. Winner of the Siegessäule...