Sentences with phrase «of nuclear weapons tested»

Normally, radiocarbon dates have error ranges of several centuries, but the researchers could improve the estimates because the smallest sharks measured showed the «bomb pulse» — a huge increase in global radiocarbon released from the hundreds of nuclear weapons tested in the 1950s and»60s.
The report is replete with examples of the social controversies involving science and technology at that time - the biological and environmental effects of nuclear weapons testing, DDT and other dioxins, the use of defoliants and herbicides by the U.S. military in Vietnam, the safety of nuclear power plants, the ban on fetal research, a moratorium on recombinant DNA research, the need for human subject protections and informed consent in genetics research, the misuse of psychology as a tool for torture, the implications of national security controls on science; misconduct in science, and the role of and protections for whistleblowers - many of which continue to resonate in the science and society relationship of today.
It's like a miniature, nonnuclear version of a nuclear weapons test.
Scientists often compare the damage an incoming asteroid might do to that of a nuclear weapons test of equivalent energy, but Chelyabinsk proves that this model doesn't work in all cases.
But, Tóth said, «we must put the genie of nuclear weapons tests back in the bottle, and we must seal the bottle.»

Not exact matches

Putin fell short of confirming the existence of Status - 6, though he did say the December tests of its power unit «enabled us to begin developing a new type of strategic weapon» to carry a huge nuclear bomb.
North Korea has repeatedly defied international sanctions and warnings not to continue ballistic missile launches and tests of nuclear weapons.
The sanctions are the latest against third - country companies and individuals in an effort to exert greater economic pressure on Kim Jong Un's regime, which has conducted regular missile and nuclear tests in defiance of United Nations resolutions and has developed weapons that may be capable of hitting the continental U.S.
In addition to firing at least 23 missiles in 2017, North Korea put the progress of its nuclear weapons program on full display, testing a miniaturized hydrogen bomb in September.
However, peak testing of nuclear weapons in the atmosphere — the most potentially dangerous type of nuclear testing, as nuclear fallout could easily be dispersed by wind currents — occurred between 1961 to 1962 almost exclusively between the US and the USSR.
During this period of testing, the USSR and the US detonated 340 megatons of nuclear weapons between the two of them.
Within 20 years, the US and USSR tested nuclear weapons larger than 10 megatons, or 10 million tons of TNT.
Romeo was the first device to be tested on a barge over open water instead of on a reef, as the US was quickly running out of islands upon which it could test nuclear weapons.
Throughout the Cold War immediately following the end of World War II, the world tested a mind - boggling number of nuclear weapons.
Tensions in the Korean peninsula have amped up recently, with North Korean dictator Kim Jong Un continuing to test nuclear weapons — thought to be capable of reaching U.S. soil — despite United Nations sanctions.
And will North Korea continue the development and testing of missiles and nuclear weapons?
Since 2011, Kim has fired more than 85 missiles and four nuclear weapons tests, which is more than what his father, Kim Jong Il, and grandfather, Kim Il Sung, launched over a period of 27 years.
Worries around North Korea have heightened since Pyongyang claimed it had successfully tested an intercontinental ballistic missile (ICBM) that put the entire United States mainland within range of its nuclear weapons.
He's also inherited a $ 1 trillion program to modernize US nukes as North Korea expands tests of systems that could carry and detonate nuclear weapons.
North Korea has shown a persistent interest in computer technology since the early 1980s so it is conceivable that a country, which has launched long - range missiles and tested nuclear weapons has also developed a smartphone, said Kang Ho Jye, a research fellow at Ewha Institute of Unification Studies.
I put Ron Paul to the side because, even if the Republicans do someday nominate a gold standard supporter who wants sharp defense cuts, but it won't be this year, won't be someone who thinks he wants to zero out nuclear weapons production, and military nuclear propulsion production, transportation, and testing, and it won't be a ex-publisher of racist newsletters who can't fully come clean.
Meanwhile, the North was firing off regular weapons tests in a dogged march towards its goal of developing a viable nuclear arsenal that can threaten the US mainland.
Is there any limit to the things we may make and alter (heart transplants, artificial insemination, «test - tube babies,» nuclear weapons — more than enough to destroy all forms of life on earth!)?
The cessation of nuclear testing and of the development of new weapons systems, and the subsequent reduction of existing stockpiles of weapons would stabilize the international balance of terror.
«Following the introduction of the Treaty on the Prohibition of Nuclear Weapons, the test of a responsible nuclear weapons power will be its commitment to present concrete plans for progressing towards a world without nuclear weapons.Nuclear Weapons, the test of a responsible nuclear weapons power will be its commitment to present concrete plans for progressing towards a world without nuclear weapons.nuclear weapons power will be its commitment to present concrete plans for progressing towards a world without nuclear weapons.nuclear weapons
But its pursuit of nuclear weapons, including missile tests over Japan, have made the reclusive state a regional security headache for decades and analysts fear the death could further strain relationships with its neighbours.
For example, building a «backpack» nuclear weapon still requires an industrial infrastructure and leaves a logistics trail; plus anyone wanting to rely on such a device would probably want to test it and there are systems in place to identify the seismic signatures of nuclear detonations.
When people think about the origin of nuclear weapons, they tend to quote Robert Oppenheimer, who quoted Hindu scripture after the Trinity test.
Current news states that North Korea have been ignoring UN resolutions on nuclear development, and have gone ahead with development and testing of nuclear weapons.
North Korean officials have mentioned that they may «exercise restraint in the testing of ballistic missiles and nuclear weapons if the United States and South Korea adjusted the exercises to make them less threatening».
So, in November 2016, in private discussions with American experts, including one of the authors, North Korean officials hinted they might be willing to exercise restraint in the testing of ballistic missiles and nuclear weapons if the United States and South Korea adjusted the exercises to make them less threatening.
In Nevada, however, there is bipartisan opposition to the Yucca project, and the state's congressional delegation prepared a series of amendments meant to ensure that the House would consider key safety provisions for the project, which is located about 100 miles northwest of Las Vegas and adjacent to the land where the government tested nuclear weapons.
Four non-parties to the treaty are known or believed to possess nuclear weapons: India, Pakistan and North Korea have openly tested and declared that they possess nuclear weapons, while Israel has had a policy of opacity regarding its own nuclear weapons program.
We both strongly oppose the acquisition or testing of nuclear weapons by North Korea and we both want to see a resumption of the six party talks.
Although Pyongyang said it would abolish its nuclear test site, there is no indication it is planning to get rid of its existing weapons.
Also until the 1998 tests, India maintained a position of Nuclear Ambiguity, that is they refused to say whether or not they actually possessed nuclear wNuclear Ambiguity, that is they refused to say whether or not they actually possessed nuclear wnuclear weapons.
Despite opposition from its left wing the Labour party supported British nuclear weapons but opposed tests, and Labour Opposition Leader Hugh Gaitskell and shadow foreign secretary Aneurin Bevan agreed with Sandys on the importance of reducing dependence on the American deterrent.
Given the devastating consequences inherent in the use of the UK's current nuclear weapons, we are of the view that the proportionality test is unlikely to be met except where there is a threat to the very survival of the state.
But plenty of smaller earthquakes, most not even felt by humans, occur across the world every day due to detonations, such as nuclear weapons testing or mining, or rising magma linked to volcanic activity.
Global warming is altering — and threatening to erase — much more of the Marshall Islands than the shorelines of this independent Micronesian nation that once served as a Pacific Ocean nuclear weapons test site for the U.S..
In asserting that the explosions on 11 and 13 May provide «enough data» to continue the country's nuclear weapons program without further testing, the two government experts hope to free up the hands of politicians who want India to join the 149 countries that have agreed to the ban.
NNSA maintains and enhances the safety, security, and effectiveness of the U.S. nuclear weapons stockpile without nuclear explosive testing; works to reduce global danger from weapons of mass destruction; provides the U.S. Navy with safe and effective nuclear propulsion; and responds to nuclear and radiological emergencies in the U.S. and abroad.
Farrar, Straus and Giroux, 2009 Science historian Michael D. Gordin recounts the events leading up to August 29, 1949, when the Soviets detonated an atomic bomb in the deserts of Kazakhstan — a test explosion that brought the U.S. monopoly on nuclear weapons to a close.
In addition, anyone with nuclear weapons duties, in any branch of service, must routinely pass a Pentagon - mandated evaluation called the Personnel Reliability Program — a battery of tests that assess several areas, including mental fitness, financial history, and physical and emotional well - being.
NIF has three purposes: To further our basic understanding of stars, to determine how the United States» aging nuclear weapons are holding up without engaging in underground testing, and to explore the enormous potential of nuclear fusion power plants.
SAN FRANCISCO, CALIFORNIA — Even when they're underground, nuclear tests can be detected in the skies — and as a result, global satellite networks could become a powerful new tool in the arsenal of weapons to help detect clandestine underground nuclear explosions, a team of scientists reported here today at the fall meeting of the American Geophysical Union.
The International Monitoring System (IMS), established by the Comprehensive Nuclear - Test - Ban Treaty, has a number of different ears to the ground to detect clandestine nuclear weapons testing: seismic networks that listen for terrestrial shock waves, hydroacoustic networks that scan the oceans for sound waves, and radionuclide networks to sniff out radioactive particles that nuclear explosions pNuclear - Test - Ban Treaty, has a number of different ears to the ground to detect clandestine nuclear weapons testing: seismic networks that listen for terrestrial shock waves, hydroacoustic networks that scan the oceans for sound waves, and radionuclide networks to sniff out radioactive particles that nuclear explosions pnuclear weapons testing: seismic networks that listen for terrestrial shock waves, hydroacoustic networks that scan the oceans for sound waves, and radionuclide networks to sniff out radioactive particles that nuclear explosions pnuclear explosions produce.
But I was afraid of governments launching gigaton nuclear weapons on spacecraft, as was a Russian colleague who had participated in the Soviet weapons program and had some wonderful stories about nuclear tests that went wrong.
Pervez Hoodbhoy, a Bulletin member and head of Quaid - i - Azam University's physics department in Pakistan, called for a moratorium on the development of materials that go into nuclear weapons and on testing nuclear weapons.
The worries come against the backdrop of North Korea's nuclear weapons and missile tests (SN: 8/5/17, p. 18) and an upcoming missile defense review from the U.S. Department of Defense, expected in May.
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