Topic Analysis Throughout the history of mankind inventions have been a way for us as humans to evolve and make things better, easier to perform, and provide just general innovation for a particular reasoning of advancement. While this is what researchers and inventors look forward to happening with their inventions sometimes the things they end up creating are by accident, but end up to become key inventions in the history of mankind. There are countless inventions that come to mind that happened out of accident that we use everyday such as sticky notes and penicillin, but there are so many different inventions that also fall under this umbrella that can be considered. One of those inventions that came by accident was the creation of the cardiac pacemaker. The pacemaker was created by the inventor, John Hopps, back in 1941. Though the pacemaker en...