(Submarine History). Submarines became possible all because of a man named William Bourne. He came up with the realization that if you, “…decrease the volume to make the boat heavier than the weight of the water it displaces, and it will sink. Make it lighter, by increasing the volume, and it will rise,” (Submarine History). Submarines have really helped scientific discoveries by increasing the underwater visibility for the use of scientists looking for different types of species of animals, or for seeing how deep the water is. The possibilities are endless for the submarine usage, because of the amount of pressure that the submarine can handle, it can go as deep as the scientist desires. Submarines are things that are great for oceanic