It detonated with a force equivalent to 400 kilotons of TNT. (1,700 TJ) It was the "layer cake" (Sloika) model: fission and fusion fuel (lithium-6 deutheride) were "layered" here, similar to the never-tested Edward Teller design.

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(via Nuclear Weapon Archive)


456 tests in four decades

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Between 1949 and 1989 this place saw 456 nuclear tests, including 340 underground and 116 atmospheric explosions with mushroom clouds. These were roughly the equivalent of 2500 Hiroshima atomic bombs. The Soviets conducted these tests without any regard for the effects on the local environment or the almost quarter-million inhabitants of the area.

On the picture: Russian Atomic Weapon Museum, with the Joe-4, Joe-2 and Joe-1, (left to right)

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(via Nuclear Weapon Archive)


The early bombs were "dirty", so there is a really huge amount of plutonium on the fields

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The big, aircraft wing-like things named "geese" and other buildings without window glass were built to measure the shockwaves of explosions.

(via Gregory Bedenko/Voxpopuli)


Atomic lakes everywhere

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The biggest had a 1640 ft (500 m) diameter and 260 ft (80 m) maximum depth, formed in 1965. "That lake is void of any living creature. Fish can't live there," said local farmer Aiken Akimbekov.

(via Gregory Bedenko/Voxpopuli)


People

Children with genetic diseases, leukemia, infertility, and cancer are really common here. After the fall of the Soviet Union and the birth of Kazakhstan, in the Summer of 1991, the site was closed. But a tenth of the country's total population – nearly 1.5 million people – have health problems. Lots of poor people still live in the most dangerous zone in a semi-nomadic way and sell the remaining scrap metal for money. One in every 20 children in the area is born with serious deformities, and half of them can't reach the age of 60.

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(via Gregory Bedenko/Voxpopuli)


The Chagan River

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The drinking water from the nearest contaminated river has almost one hundred times more tritium than the recommended limit.

(via Gregory Bedenko/Voxpopuli)


"It smelt… you know, like hair. Like hair burning. The smell came back from the earth every time it rained." – said a local woman, Makysh Iskakova.

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(via Ed Ou / Under A Nuclear Cloud)


"I was working in a medical institute, teaching chemistry. Almost every day, announcements on the radio at noon would say: 'Now there is going to be a test of nuclear weapons.' Everything would shake. The windows in my classroom were shattered by the shockwave from one of the blasts." — Yevdokia Matushkina

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(via Ed Ou / Under A Nuclear Cloud)


"When I was blinded from the blast, my uncle took me to see the doctor and the doctor said it was my own fault that I looked at the bright light from the explosion. — Yevdokia Matushkina

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(via Ed Ou / Under A Nuclear Cloud)


Orphanage

Most of these newborns were abandoned and left for the local orphanages in the nearest cities.

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(via Ed Ou / Under A Nuclear Cloud)


Outside and inside the center of the test site, 20 years after its close, 2011

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(via Gregory Bedenko/Voxpopuli)