Trinity) was the first nuclear weapon test. The test was conducted above ground on July 16, 1945 on what is now known as the White Sands Missile Range. Since Trinity, over 2,000 nuclear tests have been conducted world wide.
The US has conducted...
From Wikipedia,
The Treaty on the Prohibition of Nuclear Weapons (TPNW), or the Nuclear Weapon Ban Treaty, is the first legally binding international agreement to comprehensively prohibit nuclear weapons with the ultimate goal being their total...
Currently, there are roughly 12,700 nuclear weapons in possession of the nations of the world. This number has decreased substantially since the height of the Cold War in the 1980s, leading some to believe that dismantlement of all nuclear weapons...
Iran has currently been accused of violating the JCPOA (the Iran Nuclear Deal) and seeks to build nuclear arms.
A previous Metaculus question asked if Iran would get a nuke by 2030, and other questions have also asked about Iran's substantial nuclear program.
According to most recent estimations by Arms Control Association, China currently has a nuclear arsenal of about 350 warheads though the US Department of Defense estimated them in 2020 to be somewhere in the "low-200s" (page 92). Compared to the...
Like other developed nations, Australia is embarking on a period of transition in its energy generation methods, flagging intentions to reduce fossil-fuel power generation and increasing reliance on renewables inclding solar, wind and hydro. ...
So far, Germany only has intermediate storage facilities for nuclear waste but no ultimate disposal place (Endlager). The german parliament (Bundestag) intended to make a decision by 2031 but the organization looking for a place (BASE) now targets...
Ukraine seeks tangible security guaranties to protect herself from Russia:
Since the dawn of the nuclear age, the number of nuclear-armed states has slowly increased, with nine countries currently possessing nuclear weapons. Nuclear nonproliferation efforts, such as the Treaty on the Non-Proliferation of Nuclear Weapons...
According to the Federation of American Scientists there were 13,150 nuclear warheads in existence in 2021*. This number includes retired warheads. Nuclear stockpiles peaked in 1986 at an estimated 64,400 warheads, and have declined with the end of...
60% of India’s military hardware inventory (as of March 2022) is from Russia and the former Soviet Union. Many of India's conventional and nuclear-powered submarines have been supplied by Russia/USSR. The only nuclear submarine in India's Navy as...
In September 2021, the Prime Minister Scott Morrison announced that Australia would scrap its existing contract for Attack-class submarines with France and instead build nuclear-powered submarines with the support of the United States and United...
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The International Nuclear and Radiological Event Scale (INES) was introduced in 1990 by the International Atomic Energy Agency...
What types of offensive nuclear detonation would occur given nuclear conflict is relevant both for understanding the total risk posed by nuclear weapons and for understanding how best to reduce that risk.
Non-strategic nuclear weapons (also known...
Currently, nine countries possess nuclear weapons. Below is a list of the estimated number of nuclear warheads in each country as of May 2021 (according to the Federation of American Scientists).
Russia: 6,257 nuclear warheads
US: 5,550...
The world’s first nuclear test detonation, the “Trinity” test, happened on July 16, 1945. To date, only two nuclear bombs have been used in war, both of these by the United States, within a month of the Trinity test, against the Japanese cities of...
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