Uranium is a heavy metal, mined from the ground like any other essential commodity, such as coal or iron ore. It is not of much importance when it is first mined, but becomes important when it has gone through a process inside a nuclear reactor wherein its atoms split apart in a process called fission, and that reaction releases an enormous amount of heat. Illustration by The Geostrata Heat boils water into steam, then the steam spins a turbine, which then generates electrici

Minamitorishima is Japan's easternmost territory, the only island east of the Japan Trench. It is a coral atoll of roughly 1.5km2, covered in trees, grass, and little else besides a species of gecko and large colonies of seabirds. It is administratively part of Ogasawara, a municipality governed as part of the Tokyo metropolis. From the nearest inhabited Japanese island, it is still over 1200 kilometres away. Under international law, every island generates a 200-nautical-mile