(PhysOrg.com) -- Scientists in Washington state are reporting the surprise discovery of the oldest known sample of reactor-produced bomb-grade plutonium, a historic relic from the infancy of America’s nuclear weapons program. ...
Analytical Chemistry
Feb 26, 2009
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NASA's twin Voyager probes have become, in some ways, time capsules of their era: They each carry an eight-track tape player for recording data, they have about 3 million times less memory than modern cellphones, and they ...
Space Exploration
Aug 18, 2022
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Nuclear reactors will be needed to transition to a low-carbon future but they are time-consuming and expensive to plan and build, so getting a head start on future requirements is key. Marc Ernoult of Paris-Saclay University, ...
General Physics
Jan 25, 2022
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Leftovers from nuclear reactors contain the element neptunium. To safely store the waste, scientists need to know more about how to control neptunium's chemistry. Knowing the stability of different oxidation states is central ...
Materials Science
Nov 8, 2018
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Cyclists and hikers explored a newly opened wildlife refuge at the site of a former nuclear weapons plant in Colorado on Saturday, while a protester in a gas mask brought signs warning about the dangers of plutonium.
Environment
Sep 15, 2018
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The U.S. Department of Energy has commissioned a national group of scientists to study the viability of diluting surplus weapons-grade plutonium and storing it permanently at the federal government's underground repository ...
Energy & Green Tech
Mar 17, 2018
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Gathered in a control room deep in the Nevada desert, a team of researchers from Lawrence Livermore and Los Alamos national laboratories watched safety monitors as a carefully layered stack of plutonium inched toward "critical" ...
Energy & Green Tech
Nov 14, 2017
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Japan's nuclear policy-setting Atomic Energy Commission called Thursday for nuclear power to remain a key component of the country's energy supply despite broad public support for a less nuclear-reliant society.
Energy & Green Tech
Sep 14, 2017
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Professor Neil Hyatt, Research Chair in Radioactive Waste Management, calls for UK plutonium policy to be re-examined to allow swift immobilisation of UK's civil plutonium stockpile to maximise safety, security and affordability ...
Energy & Green Tech
Nov 15, 2016
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Two British ships arrived in eastern Japan on Monday to transport a shipment of plutonium—enough to make dozens of atomic bombs—to the U.S. for storage under a bilateral agreement.
Energy & Green Tech
Mar 21, 2016
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