“…Anthropogenic (236)U (t(½)=23.4 My) is an emerging isotopic ocean tracer with interesting oceanographic properties, but only with recent advances in accelerator mass spectrometry techniques is it now possible to detect the levels from global fall-out of nuclear weapons testing across the water column. To make full use of this tracer, an assessment of its input into the ocean over the past decades is required. …”
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“…Nuclear disarmament treaties are not sufficient in and of themselves to neutralize the existential threat of the nuclear weapons. Technologies are necessary for verifying the authenticity of the nuclear warheads undergoing dismantlement before counting them toward a treaty partner’s obligation. …”
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“…The AUKUS agreement is the first in history to allow a non-nuclear country to have nuclear-powered submarines, but not nuclear weapons. It pushes the Australia–UK–US alliance to the level of a closer military, scientific, and industrial community and outlines a prototype for a new “maritime alliance.” …”
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“…</p> <p>Check the <a href="http://pugwash.org/">http://pugwash.org</a> web site, an organisation that seeks a world free of nuclear weapons and other weapons of mass destruction.…”
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“…Such a technique could form the basis of a verification system that could confirm the authenticity of nuclear weapons without sharing any secret design information. …”
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“…Pakistan and India may have 400 to 500 nuclear weapons by 2025 with yields from tested 12- to 45-kt values to a few hundred kilotons. …”
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“…This imaging modality addresses global security threats from terrorism and the proliferation of nuclear weapons. It also provides enhanced capabilities for addressing different nuclear accident scenarios and for environmental radiological surveying.…”
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“…The reader also learns about the legacy of the Project as reflected in the current world stockpiles of nuclear weapons.  …”
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“…Already during the war, Hahn had protested Nazi restrictions on Universities and researchers, and after the War, he became actively involved in efforts to restrict the spread of nuclear weapons. In this volume Klaus Hoffmann discusses Hahn's contributions to science and his reflections of scientific and social responsibility. …”
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“…</p> <p>&nbsp;</p> <p>Check the<a href="http://http://pugwash.org"> http://pugwash.org</a> web site, an organisation that seeks a world free of nuclear weapons and other weapons of mass destruction.…”
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“…High-energy-density matter is found on Earth in the explosion of nuclear weapons and in laboratories with high-powered lasers or pulsed-power machines. …”
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“…For the 20th, electric and gasoline power, aircraft, nuclear weapons, even ventures into space. Today, the planet is awash with electronic business, chatter and virtual-reality entertainment so brilliant that the division between real and simulated is hard to discern. …”
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“…One special feature is the inclusion of the latest information on thoria-based fuels, especially on the use of thorium in power generation, as it has less proliferation potential for nuclear weapons. Given its natural abundance, thorium offers a future alternative to uranium fuels in nuclear technology. …”
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“…In the 1950s, the Mayak nuclear weapons facility in Russia discharged liquid radioactive wastes into the Techa River causing exposure of riverside residents to protracted low-to-moderate doses of radiation. …”
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“…Biological weapons can be as lethal as nuclear weapons if dispersed effectively, but that is not easy to do. …”
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“…By comparing our results with ruthenium isotopic compositions of spent nuclear fuels, we show that the release is consistent with the isotopic fingerprints of a civilian Russian water-water energetic reactor (VVER) fuel at the end of its lifetime, and is not related to the production of plutonium for nuclear weapons.…”
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“…As a proof-of-concept, we manufactured and characterized the properties of non-electronic, physical unclonable, optically complex media sensitive to neutrons for use in a high-security scenario: the inspection of a military facility to confirm the absence or presence of nuclear weapons and fissile materials.…”
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“…In particular, the unswerving diplomat increasingly understood that strong‐arm tactics to dissuade other countries from acquiring nuclear weapons would not limit proliferation. Not only did this inform later U.S. diplomacy approaches, but it lent itself to the ascendancy of the new notion of “soft power” as critical to the re‐definition of international affairs.…”
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“…In compliance with international agreements on nuclear weapons limitation, the French ground-based nuclear arsenal has been decommissioned in its totality. …”
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“…Despite the end of the Cold War, the world still has thousands of nuclear weapons and adversarial relations between the countries that possess them. …”
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