Sentences with phrase «atmospheric nuclear weapons tests»

Artificial nuclear processes, in particular nuclear fuel reprocessing and atmospheric nuclear weapons tests, have now swamped the natural signal for this isotope.

Pittsburgh may have enjoyed a little more blue sky thanks to Shippingport, but for the rest of us during that era, the sky was raining radioactivity, the fallout from atmospheric nuclear weapons tests.

Between 1945 and 1962 the U.S. conducted more than 200 atmospheric nuclear weapon tests and captured the detonations on film.

The reference core top date must be approximately correct, since 3 cm below was the classic isotope «bomb spike» caused by atmospheric nuclear weapons testing in the 1950's.

Cancer has always been, and remains, the ultimate bogeyman of environmentalism, a fixation that reflects how the environmental movement arose from our 1950s fear of nuclear weapons and the carcinogenic radioactive fallout from atmospheric nuclear weapons testing.

Not exact matches

LLNL nuclear weapon physicist Gregg Spriggs is leading a team of film experts, code developers and interns on a mission to hunt down, scan and reanalyze what they estimate to be 10,000 films of the 210 atmospheric tests conducted by the U.S. between 1945 and 1962.

As a result of this mission and others, all atmospheric testing of nuclear weapons by the United States was stopped.

Fossil fuel combustion has dispersed fly ash particles worldwide, pretty well coincident with the peak distribution of the «bomb spike» of radionuclides generated by atmospheric testing of nuclear weapons, Dr Waters says.

He negotiated the Limited Test Ban Treaty with the Soviets which he was unable to sign because Francis Gary Powers was shot down and the Soviets grandstanded for several months before getting to the banning of atmospheric tests of nuclear weapons.

When Mr. Moore — who is not a scientist — was with Greenpeace it was mostly devoted to resisting the atmospheric testing of nuclear weapons.