It sounds more sciencefiction than medical science, but a team of researchers have discoveredthat pacemakers could be open to hackers - who could potentiallystop the devices or deliver jolts of electricity.Americanresearchers from the University of Washington and University ofMassachusetts did the research to underline the increasing care thatmanufacturers who use wireless technology must take in an increasinglytech-savvy world. More...