Touch-Screen Computers and Angioplasty Tomorrow's World : Season 17 Episode 1

The technology that allows you to operate a computer by simply touching its screen is premiered in this edition of the science magazine programme. The presenters also explore a new technique that promises to revolutionise cardiac bypass surgery and discover why sniffing robots are helping Britain's car industry. Finally, an item about a new type of water pouch developed for athletes gives Peter Macann an excuse to slip into his wetsuit.