This is quite a mad one – and yet obvious when you think about it. Pottery from thousands of years ago carries an ambient recording superimposed into the work of the artesan. A Belgian team have managed to extract the recording from a 6,500 year-old South American vase and some 1,000 year-old Latin from another from ancient Pompeii (if my French understanding is to be believed…) Follow the link, check the video.