Sentences with phrase «nuclear weapons tests in»

Every cubic meter of air and water and every hectare of land now have a human imprint, from hormones in the seas, to fluorocarbons in the atmosphere and radioactivity from nuclear weapons tests in the soil.

Last year the clock moved half a tick, from 3 minutes to 2.5 minutes before midnight; it has been in single digits since India and Pakistan staged back - to - back nuclear weapons tests in 1998.

Following North Korea's third nuclear weapons test in February this year, much attention has been paid to debates within China over its troublesome neighbour, with some suggesting severing ties to the North altogether.

In their analyses of the beaches, the scientists detected not only cesium - 137, which may have come from the Dai - ichi plant or from nuclear weapons tested in the 1950s and1960s, but also cesium - 134, a radioactive form of cesium that can only come only from the 2011 Fukushima accident.

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.

Photographer unknown, [Nuclear weapons testing in the South Pacific Ocean], ca. 1950, gelatin silver print.

The reference core top date must be approximately correct, since 3 cm below was the classic isotope «bomb spike» caused by atmospheric nuclear weapons testing in the 1950's.

«A tracer for CO2 transport from the Northern Hemisphere to the Southern Hemisphere was provided by 14C created by nuclear weapons testing in the 1950's and 1960's.

A portion of the funds raised in the ICO offering will also be used to finance health care to islanders still affected by US nuclear weapons testing in the area decades ago, Paul said.

Not exact matches

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.

The Georgia Nuclear Aircraft Laboratory was built in the 1950s as a radiation testing ground by the Air Force and weapons manufacturer Lockheed.

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 SeptembeIn 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 Septembein 2017, North Korea put the progress of its nuclear weapons program on full display, testing a miniaturized hydrogen bomb in Septembein 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.

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.

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.

It seems that half the countries on the planet are involved in guerrilla conflict, drug smuggling, nuclear weapons testing, and counterfeiting Disney DVDs.

China may implement tougher sanctions in response to North Korea's nuclear weapon development, which is testing the warming relationship between the United States and China.

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.

Analysts believe the latest case may be another effort to engage American leadership in talks about lifting sanctions that resulted from illegal nuclear weapons tests...

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.

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.

When Mr Moon was last in government, in the early 2000s, South Korea had a «Sunshine Policy» which meant co-operation with North Korea, a policy which was abandoned as North Korea tested nuclear weapons.

«The highly unpredictable and aggressive regime in North Korea recently conducted its third nuclear test and could already have enough fissile material to produce more than a dozen nuclear weapons,» he wrote in the Telegraph.

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.

The U.S. government cracked down after both nations tested nuclear weapons in May 1998, requiring U.S. organizations to obtain a license before shipping civilian materials deemed to have a dual military use to more than 300 institutions (Science, 24 July 1998, p. 494).

And in a chapter on the radioactive elements carried in nuclear fallout, there's Pig 311, a sow that survived a nuclear test blast only to be used as propaganda for the weapons» supposed safety.

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.

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.

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 - beinIn 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 - beinin 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.

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.

One way to ensure that the lesson of Hiroshima and Nagasaki is not forgotten is for the world's nuclear powers (the U.S. and U.K., Russia, France and China) and countries that have tested and / or deployed nuclear weapons (in particular, India, Israel, North Korea and Pakistan) to ratify agreements such as the Comprehensive Nuclear Test Ban Treaty, which the U.S. Senate also has yetnuclear powers (the U.S. and U.K., Russia, France and China) and countries that have tested and / or deployed nuclear weapons (in particular, India, Israel, North Korea and Pakistan) to ratify agreements such as the Comprehensive Nuclear Test Ban Treaty, which the U.S. Senate also has yetnuclear weapons (in particular, India, Israel, North Korea and Pakistan) to ratify agreements such as the Comprehensive Nuclear Test Ban Treaty, which the U.S. Senate also has yetNuclear Test Ban Treaty, which the U.S. Senate also has yet to do.

It even tested nuclear bombs in space before orbital weapons of mass destruction were banned through the United Nations» Outer Space Treaty of 1967.

The testing of nuclear weapons in the 1950s spewed a lot of radioactive carbon 14 into the air.

In 2005 Congress asked NASA to extend its survey to include objects as small as 460 feet (140 meters) across — not dinosaur - killers but still big enough to outdo the largest nuclear weapon ever tested if they ever cross paths with Earth.

South Korea's main spy agency told politicians in a closed - door briefing after the test that it does not think Pyongyang currently has the ability to develop miniaturised nuclear weapons which can be mounted on ballistic missiles, but intelligence officials expressed worries that the North's efforts to do so are progressing quicker than previously thought, said Kim Byungkee, of the opposition Minjoo Party.

Subsequent testing has shown that not to be the case, at least in the opinion of many physicists — many highly respected physicists — and so the supporters of the RRW have moved onto other rationales for why we would need these including margin, which is your, I guess, confidence, that a nuclear weapon will explode as it is intended to; it will deliver exactly, say ten kilotons of destructive force or one megaton or whatever the desired explosive force is.

So, the funding situation that we are in right now — in 1990s, we launched a program called the Stockpile Stewardship Program; it was intended to maintain the existing nuclear arsenal for a number of decades, if not indefinitely and that has been a huge bonus in terms of actually understanding the physical processes of nuclear weapons and getting away from nuclear testing.

8 Aside from Curie, one other person has nabbed a Nobel in two separate categories: Linus Pauling, who won the 1954 chemistry award and the 1962 peace prize for his fight against nuclear weapons testing.

NUCLEAR SHAKEDOWN Rumblings of seismic waves reveal clues about North Korea's nuclear weapons tests, detonated in a moNUCLEAR SHAKEDOWN Rumblings of seismic waves reveal clues about North Korea's nuclear weapons tests, detonated in a monuclear weapons tests, detonated in a mountain.

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 critics note that no nuclear weapon in the current U.S. arsenal has ever been manufactured without being tested.

Sandia National Laboratories has sent a mock B61 - 12 nuclear weapon speeding down the labs» 10,000 - foot rocket sled track to slam nose - first into a steel and concrete wall in a spectacular test that mimicked a high - speed accident.