seats covered with the material that's got a heavy pile and I'm sitting on the bus and I put a penny and old British pennies were big I put his name on the velvet seat and it moved and it went uphill and this was clearly impossible and I was absolutely fascinated by the fact that you put this penny down it wouldn't always do it but sometimes it would go up hill and it's a bit like those dreams you have I guess I have not everybody has but I think a lot of people have them when you suddenly discover you can fly and in the