Skip to main content

Questions tagged [nuclear]

Nuclear energy is energy taken from splitting nucleus of an atom of some chemical elements. This can be used in both peaceful or military goals.

Filter by
Sorted by
Tagged with
17 votes
1 answer
3k views

What was the Nuclear Boy Scout's Eagle Scout Project?

My kids recently came across the story of David Hahn, the young man who tried to build a nuclear reactor in his parents' backyard shed when he was 17, causing the EPA to designate the shed a Superfund ...
T.E.D.'s user avatar
  • 120k
68 votes
3 answers
10k views

How and when did the word "nuclear" replace the word "atomic"?

In the early "Atomic Age", nuclear technology was generally termed "atomic" in English. There was "A-bomb", "atomic reactor" and "Atomic Energy Commission&...
b.Lorenz's user avatar
  • 4,354
-2 votes
1 answer
245 views

Why did the USA ever test nukes on their own soil? [closed]

I've recently read about these atom bomb tests that frequently occurred semi-near Las Vegas, which people flocked to. Even if they didn't understand the risks at the time, isn't it a serious problem ...
Maycol's user avatar
  • 17
-4 votes
2 answers
411 views

What was the purpose of each project site during the Manhattan Project?

I'm looking for an answer as to what the purpose of each project site was during the Manhattan Project. The following image illustrates (but only includes some of the sites) where each site was ...
Mathematica's user avatar
0 votes
1 answer
260 views

How much support did America give to the scientists working on the Manhattan Project?

How much support did America give to the scientists working on the Manhattan Project, be it financial or otherwise? Did physicist J. Robert Oppenheimer who headed the project to develop the atomic ...
Mathematica's user avatar
10 votes
1 answer
3k views

How important were Einstein and Szilard and other scientists to the creation and ultimate success of the Manhattan Project?

How important was Einstein and Szilard and other scientists to the creation and ultimate success of the Manhattan Project? I understand that the Einstein-Szilard letter to President Roosevelt ...
Mathematica's user avatar
16 votes
1 answer
2k views

Where was Carl Sagan working on a plan to detonate a nuke on the Moon? Where was he applying when he leaked it?

At 18:49 in Scott Manley's video The Craziest Things You Can Do With Nuclear Weapons he says: This was an idea to… it was a number of ideas; they thought it could raise morale with the US. The idea ...
uhoh's user avatar
  • 1,784
5 votes
1 answer
2k views

Did people on the Bridge of Death in Pripyat actually die?

It is a long-circulating claim that the Pripyat residents and policemen who watched the Chernobyl explosion from a railway bridge, mostly (or even all) died. Sometimes even a dose of 500 rem (which is ...
b.Lorenz's user avatar
  • 4,354
49 votes
5 answers
14k views

Has there ever been an instance of an active nuclear power plant within or near a war zone?

The question Has there ever been a military combat going on around an active (running or in outage but not decommissioned) commercial nuclear power plant? Or dangerously near it? If yes, how did the ...
Pavel's user avatar
  • 600
6 votes
4 answers
6k views

Is there any footage of the Chernobyl explosion?

I know there is a lot of footage of the aftermath of the Chernobyl accident, but is there any footage of the explosion itself? In a documentary about the Chernobyl disaster it was stated that there ...
user18596's user avatar
  • 771
3 votes
1 answer
785 views

Why was Hanford, Washington, selected during World War II as the site of America’s first nuclear energy plant?

In 1942, as part of the plan to manufacture atomic bombs to drop on Japan, the U.S. Army began to seek out a suitable location to build a factory for producing plutonium, necessary for the atomic bomb ...
George A. Solodun's user avatar
8 votes
1 answer
713 views

Did US and Soviet nuclear war policies allow for a pause?

In the HBO made-for-tv movie "By Dawn's Early Light", the commander of the navy (codename "Harpoon") explains to the US President that USAF nuclear bombers are at their positive check points and await ...
Red's user avatar
  • 183
25 votes
3 answers
10k views

What were the EMP effects, if any, of the atomic bombing of Hiroshima and Nagasaki?

Electromagnetic Pulse (EMP) is generated from any atomic bomb, as far as I know. An EMP could destroy the electronics of many devices, including lighting, electric motors, radios, phones, etc. So why ...
DrZ214's user avatar
  • 17.3k
10 votes
4 answers
2k views

What benefits were there to the USA of developing both Uranium and Plutonium bombs in World War 2?

Clearly there was a large cost both in money and resources. Working on both very likely slowed down the production of the first nuclear bomb.
Ian Ringrose's user avatar
12 votes
9 answers
4k views

Have there been any nuclear accidents in the US at nuclear facilities which were not "commercial"?

In a feature called "On This Day," the March 28th, 2015 issue of the New York Times recounted how "On March 28, 1979, America's worst commercial nuclear accident occurred inside the Unit Two reactor ...
Rasputin's user avatar
  • 772
-7 votes
1 answer
1k views

why Israel has not used its nuclear arsenal against hamas? [closed]

If Israel has a nuclear arsenal, why has not used its against Hamas? If the Palestinian had nuclear weapons would have surely used to erase Israel from the map.
Only a Curious Mind's user avatar
7 votes
1 answer
2k views

Why did so many countries agree to the Non-Proliferation Treaty?

The Non-Proliferation Treaty of 1968 contains (among others) provisions that amount to the following: There are five countries (the United States, Russia, the United Kingdom, France, and China) that ...
user avatar
3 votes
2 answers
626 views

What was the efficiency of the "Gadget" bomb in the Trinity Test?

I've done a bit of searching and was unable to find what I expected to be a simple statistic. By "efficiency" I mean the percentage of the Plutonium in the bomb that actually fissioned.
rootmeanclaire's user avatar
2 votes
2 answers
1k views

Non-voluntary deferments in WWII?

This question comes from an interview I conducted many years ago. The question about drafts reminded me. The subject was a grad student and medical researcher. His research project was canceled and he ...
Razie Mah's user avatar
  • 5,985
5 votes
3 answers
2k views

Why did America not know about Soviet espionage in manhattan project

I was watching PBS documentary Behind Closed doors. According to that documentary Churchill and Roosevelt were not really sure if Stalin really understood about 'the new kind of weapon' when they ...
Surya Gaddipati's user avatar
3 votes
1 answer
396 views

What was the extent of influence of James Byrnes on President Truman in the decision to use nuclear weapons?

Secretary of State James Byrnes was a very influential man and played a key role in foreign policy and the negotiations during WW2. It is known that after the death of FDR, he was the one who informed ...
amarprabhu's user avatar
8 votes
3 answers
3k views

When was General Douglas MacArthur made aware of the Manhattan Project?

Considering the US government's low opinion of General MacArthur* even before he almost performed a military coup in the 1950s: Was Douglas MacArthur ever made aware of the Manhattan Project before ...
LateralFractal's user avatar
3 votes
2 answers
1k views

Why were all Y-12 operators of Manhattan Project women?

I have searched a while and I have not found any evidence of why all operators at Y-12 had to be women. I am interested especially in in two aspects: Who was the person from inside of the project ...
al1en's user avatar
  • 49
-2 votes
1 answer
7k views

Did Russia help India arm itself with nuclear weapons? [closed]

Although Canada provided India with its first nuclear reactor ccnr, much of the fuel for India's reactors have come from Russia India Times. India asserts that the atomic weapons program was entirely ...
Surya Gaddipati's user avatar
12 votes
1 answer
481 views

Are submarine launched ballistic missiles still inaccurate?

In the early 1980s documentary First Strike, one of the arguments made for the development of the MX missile program was that in the event of a massive Soviet attack on the land-based missile and ...
MattyZ's user avatar
  • 285
35 votes
2 answers
39k views

Did the United States have a third atomic bomb to drop on Japan?

On 15 August, six days after the bombing of Nagasaki, Japan announced its surrender to the United States, signing the instrument of surrender on 2 September, officially ending the war. The question ...
user avatar
14 votes
5 answers
9k views

Why did the Germans fall behind the Americans in the development of the atomic bomb after an initial lead?

I actually know certain facts about this matter, but am seeking guidance in interpreting these facts into "theories." 1) Theory 1, Economic: The Americans spent something like $2 billion (in money of ...
Tom Au's user avatar
  • 104k
8 votes
2 answers
447 views

Motivation Behind the USSR Assisting China's Nuclear Program

What motivated the USSR to assist China with the development of Nuclear Weapons? Why would the USSR want China to have this technology during the 1950s and early 1960s? What did they get out of this ...
sazr's user avatar
  • 181
34 votes
9 answers
49k views

What do the modern Japanese people think about the atomic bombings of Hiroshima and Nagasaki?

Japan has been an ally of the USA for a long time now. On the other hand, every year they observe Hiroshima Day. Moreover, Japanese people visit Yasukuni Shrine. Then what is the catch?
user avatar
22 votes
4 answers
2k views

Is there any evidence to support the claim that the US Strategic Defense Initiative played any significant role in undermining the USSR?

I have been reading Sorrows of Empire by Chalmers Johnson, and one of the things that stuck me was a quote by Soviet hydrogen bomb creator Andrei Sakharov who was released from political imprisonment ...
BrotherJack's user avatar
  • 5,795
17 votes
3 answers
1k views

Plans for More Nuclear Warfare in Japan during WW2

When reading about Operation DownFall I noticed that if Japan had not surrendered following the nuclear bombs at Hiroshima and Nagasaki there could have been at least 7 more Nuclear Bombs ready for ...
sealz's user avatar
  • 1,863