150-megaton thermonuclear explosion, Bikini Atoll, l March 1854. Unexpected spread of fallout led to awareness of, and research

- Image ID: D95N29
World History Archive / Alamy Stock Photo
Image ID: D95N29
150-megaton thermonuclear explosion, Bikini Atoll, l March 1854. Unexpected spread of fallout led to awareness of, and research into, radioactive pollution. UNO photograph.