convalesced hams so we can't accommodate continuous time but I don't think that's I don't think that's a huge huge difference well I mean these aren't like different frames it's like continuous frames so it's a relatively smooth progression through the space of images and when you have nothing and then you put on something that is the kind of discontinuity we're talking about it is in discrete time yeah so what we did is we literally put the image up you know blank screen put the image up and then take the image off and so that's like