247 votes
Accepted

Does the President of the United States have the ability to deploy nuclear weapons at will?

According to retired Lt. General Mark Hertling, who personally participated in such drills, and wrote Nuclear Codes: The President's Awesome Power That bag -- carried by the military aide -- has been ...
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  • 99.2k
152 votes

Did eight Jesuit priests survive the nuking of Hiroshima without serious injury?

Yes, they survived the blast. No, their survival was not unexplainable. The Jesuits are at two locations: They reside at Novitiate of the Society of Jesus in Nagatsuke two kilometers from the edge of ...
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  • 4,865
132 votes
Accepted

Did Hillary Clinton give Russia 20% of the United States' uranium?

This claim comes from Peter Schweizer's book Clinton Cash. The Washington Post notes that the details mentioned above are correct: The deal gave Russia control of about 20 percent of U.S. uranium ...
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  • 7,300
102 votes
Accepted

Was there a nuclear explosion in Germany during WW2?

Most likely not, at least not in the way these claims are suggesting. The article's claims are shaky at best, and go against both US and German reports regarding Germany's nuclear program at the time. ...
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  • 11.4k
95 votes

Did Oppenheimer quote the Bhagavad Gita after the Trinity test?

No. In the 1965 documentary "The Decision to Drop the Bomb", Oppenheimer described the moments after the bomb's explosion: We knew the world would not be the same. A few people laughed, a ...
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  • 3,193
76 votes

Is the four minute nuclear weapon response time classified information?

No, this is not classified information. There have been plenty of descriptions of the timeline to launch US nuclear weapons, most much more detailed than anything Secretary Clinton said, and none of ...
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  • 54.8k
60 votes

Does the President of the United States have the ability to deploy nuclear weapons at will?

Essentially, yes. The decision is technically solely up to the President. Of course, he does not personally perform the launch; there are other people in the chain of command following his orders. The ...
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  • 6,657
60 votes

Did Hillary Clinton give Russia 20% of the United States' uranium?

Politifact evaluated a number of claims from Trump's press conference, including this one. They referred back to a campaign fact check where they rated a similar claim Mostly False: The ...
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  • 10.1k
55 votes

Did eight Jesuit priests survive the nuking of Hiroshima without serious injury?

There were 4 priests at the closest location to ground zero, but they were 1,400 yards from ground zero according to John Hersey's 1946 book Hiroshima . Other people (non-priests) survived being as ...
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  • 99.2k
25 votes

Can Russia's Poseidon nuclear underwater drone create a 500 meter tidal wave?

No multi-megaton nuclear warhead ever has been exploded underwater, so the best we can hope for in the way of sources is "what is the research on this". Wikipedia: Underwater explosion -- ...
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  • 18.9k
19 votes

Does plutonium exist in the world, apart from being manufactured?

Two billion years ago, conditions in an ore body in present-day Gabon were suitable for the creation of naturally-occurring fission reactors, based on the fission of U-235, which at the time made up 3%...
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  • 291
19 votes

Can Russia's Poseidon nuclear underwater drone create a 500 meter tidal wave?

Well, nobody has tested really, really big nuclear bombs underwater. But we do have some underwater tests we can look at. In 1946, the US tested a 21 kt bomb underwater in Operation Crossroads. You ...
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  • 4,309
18 votes
Accepted

Is this tweet about classes one month after the Hiroshima bombing, and the 2011 tsunami accurate?

The first image can be seen at the Hiroshima Peace Media Center, in an article titled "Hiroshima: 70 Years After the A-bombing: Students study in open-air classrooms in “A-bomb desert”". If you ...
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  • 38.5k
18 votes

Is the four minute nuclear weapon response time classified information?

No. https://foreignpolicy.com/2016/08/05/our-nuclear-procedures-are-crazier-than-trump/ The author bases his estimate on information gleaned from a 30-year old book, so it's not exactly new ...
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  • 215
18 votes
Accepted

Do only 49% of Americans know which country bombed Hiroshima and Nagasaki?

Richard Shenkman is taking his information from the 1997 book What Americans Know about Politics and why it Matters, and has corrected the statement in the 2010 version of his book. The 1997 book ...
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  • 99.2k
16 votes
Accepted

Could a single nuclear EMP kill 90% of Americans within one year?

That number was mentioned in the statement of Dr William R Graham and Dr Peter Vincent Pry, chairman and chief of staff of the Commission to Assess the Threat to the United States from EMP attack. ...
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  • 6,982
15 votes
Accepted

Was the ancient Indian city of Mohenjo-daro destroyed by a nuclear weapon?

That there was increased levels of radioactivity above the background level found at Mohenjo-Daro. This is unsourced and very vague. "In certain areas of that site, you find increased levels of ...
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  • 11.2k
14 votes
Accepted

Is the RS-28 Sarmat missile capable of destroying an area the size of France?

The original claim in English is from the 08 May 2016 article Russia's New ICBM Sarmat Can Penetrate Defense Shield, Wipe Out Texas which says: The broadcaster added that the RS-28 is capable of ...
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  • 99.2k
14 votes
Accepted

Did the fallout from American nuclear tests kill hundreds of thousands of American civilians?

Summary: This paper is emerging science, and it is too soon to know one way or the other. "Has the fallout from American nuclear tests killed hundreds of thousands of civilians as the paper suggests?"...
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13 votes

Does plutonium exist in the world, apart from being manufactured?

I assume "the world" means Earth. It is likely that somewhere in the universe where a supernova (or a neutron star merger, see comment) has recently occurred during which the r-process prevailed, ...
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13 votes

Did Hillary Clinton give Russia 20% of the United States' uranium?

According to a 2015 New York Times Article, At the heart of the tale are several men, leaders of the Canadian mining industry, who have been major donors to the charitable endeavors of former ...
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11 votes

Do ~25% of Japanese people believe that USSR dropped nuclear bombs on Hiroshima and Nagasaki?

Firstly, the article cited in the OP itself clearly says that the 25% is not true: Not 25 per cent For true information, quoting Culture Shock and Japanese-American Relations: Historical Essays by ...
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  • 99.2k
11 votes
Accepted

Is measuring the size of a nuclear cloud with your thumb an approximate indication of whether you're in the radiation zone?

Nuclear weapons can kill through several mechanisms Blast Effects Most damage comes from the explosive blast. The shock wave of air radiates outward, producing sudden changes in air pressure that can ...
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  • 2,249
10 votes
Accepted

Were the Dene people unaware they had mined ore for the atomic bombing of Hiroshima and Nagasaki until the 1990s?

The 1988 book The Social Dynamics of Peace and Conflict: Culture in International Security Georges Erasmus, former President of the Dene Nation, pointed out, "We're aware that the uranium for the ...
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  • 99.2k
10 votes

Is the illegal nuclear waste at the Coldwater Creek Nuclear Landfill a risk to public health?

The Claim I'm challenging: this article claims that an "expert" says it's fine. Sasa Mutic is a PhD in radiooncology and the chair of the radiation safety committee at Washington School of ...
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8 votes
Accepted

Was the tsar bomb ten times more powerful than all of the explosives used in WWII combined?

Well, there are a lot of statistics available regarding WW II, and the Tsar Bomb has simple math associated with it. First, the Tsar Bomb: As a nuclear weapon, its yield is measured in megatons. 1 ...
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  • 9,207
8 votes

Did India plan to get Pakistan's nuclear facility destroyed by Israel in the mid-'80s?

This is fraught with political spin, and in historical terms 'quite recent'. As this was a secret plan that touches on 'war', mostly lies are what go around in principle. However, the claim in ...
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  • 43.5k
7 votes

Is the RS-28 Sarmat missile capable of destroying an area the size of France?

False Claims are it carries 16 2.5 Megaton warheads (40Mt/16 if I read right). A single 2.5Megaton warhead has an airburst radius of 10km: http://www.stardestroyer.net/Resources/Calculators/...
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  • 470
7 votes
Accepted

Did Turkey and Greece attempt to gain control of NATO nuclear weapons to use on each other during the Cyprus crisis of 1963-1964?

The mistake in the article in the OP is the date, "1963-1964 Cyprus crisis". The problem occurred in 1974 and did relate to a/the Cyprus crisis. According to U.S. Nuclear Weapons in Europe at ...
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  • 99.2k

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