Top Secret Science in Transportation

Top Secret Science in Transportation — page 3
BENEATH THE SURFACE Sleek and deadly black submarines glide through the dark depths of the oceans killer machines ready to strike at a moment’s notice Famous inventor Leonardo da Vinci had an idea for an underwater vessel in the 1500s but he kept his sketches a secret because he was worried about their misuse Secretive by their very nature the development of submarines has always been powered by the latest and most closely guarded science GOING NUCLEAR Like nearly all transportation most ships depend on fossil fuels such as oil coal and natural gas to run motors Burning fossil fuels creates pollution and the planet does not have an unlimited supply of these fuels Refueling also requires making regular stops which is something that stealthy military submarines prefer not to do The use of nuclear power for ships was originally a top-secret suggestion considered by the U S government in the 1940s By 1989 there were more than 400 nuclear powered submarines globally A nuclear reactor produces energy by splitting the nuclei of atoms the tiny particles that are the building blocks for everything Russia keeps the designs of its submarines top secret but gave the world a glimpse of its Vladikavkaz sub codenamed Paltus during a 2018 parade 6