transformed quite a lot of the things we do and the first one is really on image reconstruction and and this is really probably something which a number of you will have worked on it's actually quite well understood problem using it as an inverse problem but I want to show you a particular application here and that is using a modality which some of you may know is called magnetic resonance imaging it's a great modality because it's it's safe it can do a lot of things can show you many different properties of the body but it's relatively slow