In a demonstration of the power of open source technology and transparency to shine new light on the nuclear threat landscape, a researcher of nuclear history designed an online tool that allows anyone to find out what would happen if a nuclear bomb detonated at any spot on Earth. Pick a zip code or city, and any bomb you want, and click: areas of death, fire, radiation, etc. Alex Wellerstein’s “NukeMap” offers a tangible, proximate way for the reality of nuclear threat to resonate with anyone. LEARN MORE