TS: And they would sort of walk about, they were generally men of my age. They might have known something about it. You could probably have engaged them in conversation, but mostly they didn't. They weren't there, with the role of, getting people to think about it and look at it in different ways and so on. And I think this place is entirely hands-on. It isn't historical they are things which are interesting - and - display some aspect of science. And we've got people there whose role it is to make you or to encourage you to interact with them. And to answer questions, to have a laugh - and - it is a different sort of atmosphere. And it works. The Science Museum - started to do its real interactive galleries at about the same time that Techniquest opened here. We didn't invent it in this country. It was sort of invented more in the United States. There's the big one in San Francisco - where one of - a brother of the chap who was father of the atomic bomb he set it up and - I think all of the rest in the world are derivatives of that.