NOVA: scienceNOW: What Will the Future Be Like?

A look at what the future may hold for science and technology, as well as technological hurdles engineers and computer scientists must overcome to make their visions reality. Included: thought-controlled video games; robotic exoskeletons; and a virtual reality that seamlessly integrates into real life via three-dimensional holograms. Also: computer scientist Adrien Treuille on video games that can help cure diseases.