National Archives of Australia
Besides the full-scale nuclear detonations, there were hundreds of “subcritical” trials designed to test the performance and safety of nuclear weapons and their components. These trials usually involved blowing up nuclear devices with conventional explosives, or setting them on fire.
The subcritical tests released radioactive materials. The Vixen B trials alone (at the Taranaki test site at Maralinga) spread 22.2 kilograms of plutonium and more than 40 kilograms of uranium across the arid landscape. For comparison, the nuclear bomb dropped on Nagasaki contained 6.4 kilograms of plutonium, while the one dropped on Hiroshima held 64 kilograms of uranium.
These tests resulted in long-lasting radioactive contamination of the environment. The full extent of the contamination was only realised in 1984, before the land was returned to its traditional owners, the Maralinga Tjarutja people.
We sliced open radioactive particles from soil in South Australia and found they may be leaking plutonium theconversation.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from theconversation.com Daily Mail and Mail on Sunday newspapers.
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New Resources from OPEX Provide Asia Pacific Customers Mail and Document Automation Solutions to Help Their Businesses Thrive
EQS-News / 20/05/2021 / 02:50 EST/EDT
New Resources from OPEX Provide Asia Pacific Customers Mail and Document Automation Solutions to Help Their Businesses Thrive
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Documents that families can unearth include recent ASIO files on family members to extraordinary snapshots that sometimes lie undiscovered for decades. Thousands of family photos are hidden in the archives, Ann McLean, the NAA s director of reference services told Daily Mail Australia.
With so many of us from a migrant family in recent generations past, searches of government records related to migration unlock a store of family knowledge and provide a trail for family historians to follow.
Three generations of Albert family, who migrated to Australia from Great Britain, wait for the Queen Mother to arrive at 194 Belar Avenue, Villawood, Sydney in 1958