Q.E.D S08 E06 The World's Longest Flight

We've all made paper aeroplanes; but this one was different. It kept on flying for nine days - right round the world. Q.E.D. was in at the beginning, long before Dick Rutan , Jeana Yeager and their Voyager aircraft flew slowly and bumpily into the record books. It was essentially a grass roots project - a home-built plane paid for by selling t-shirts. And yet their astounding success proved that ordinary people still push the frontiers of technology - when they've a mind to.