Ever try talking to an alien? In the movies, they always speak perfect English. But what if we really made contact? Could we just whip out a universal translator - or even a babelfish - to understand one another?
Let's say we do learn to communicate: what to say, what to say? We'll hear the protocol for just how to reply to ET. And, from Klingon to Esperanto: the recipe for creating a language from scratch.
Plus, get ready to babble with your Blackberry: how computers are learning to recognize - and respond - to human speech.
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What does this mean? Listen to the show to find out!&=d5>