FACTArchive →
The Bomb That Was Too Big
FACT
@fact5
Science Gone WrongApr 23, 2026

The Bomb That Was Too Big

The Bomb That Was Too Big In 1954, the US tested a hydrogen bomb at Bikini Atoll. Scientists expected 6 megatons. It delivered 15. The fallout reached a Japanese fishing boat 80 miles away. Crewman Aikichi Kuboyama died months later. It remains America's worst radiological disaster.

Spot an error? Email hello@thefact5.com with a source — we correct visibly.
KEEP SCROLLING

More strange facts ✦