11.40 Physics: Light on Lasers
What is so special about laser light? How do lasers work? Focusing a pulse of light from a ruby laser produces a miniature ball of lightning in mid-air.
12.5 Krishna and Christ
Dom Bedge Griffith used to be an English priest and is now an Indian guru. This film looks at his beliefs and practices in the south of India, where he teaches people from East and West.
(to 0.35)