The man contacted Sweden's nuclear authority and asked if it was permitted for an individual to build a nuclear reactor.
Lethal radiation levels of more than 10,000 millisieverts per hour raise the need for caution to even greater extremes that workers at the Fukushima-Daiichi nuclear plant must take.
Japan on Tuesday suspended cattle shipments from the wagyu-producing Fukushima prefecture on fears of radiation-tainted beef in the country's meat distribution chain.
Soil radiation outside the nuclear evacuation zone is above levels that prompted resettlement after the Chernobyl disaster, citizens' groups said Tuesday.
In New Mexico, fire and smoke has shut down the Los Alamos National Lab, and in Nebraska, floodwaters are closing in on the Fort Calhoun nuclear power plant.
But they don't yet have names. What would you call them?
The Fukushima nuclear plant still hasn't recovered following the devastating tsunami on March 11 that crippled it.
Women may be more likely to give birth to boys than girls following a nuclear radiation event.
Super-chilled antihydrogen atoms have been collected and stored 5,000 times longer than any previous attempt.
Guest commentator and co-founder of Project Icarus, Richard Obousy explores some "disruptive technologies" that might push us to the stars sooner than we think.