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The text was about how albert einstein made atomic bomb and was frightened that it would change the world and that germany would know how to invent the atomic bomb as well.

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Kids learn about the history of the Atomic Bomb during World War II. Dropped on Hiroshima and Nagasaki of Japan to end WW2.

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The text was about how the ussr dropped a atomic bomb on the japanese and nagasaki and many people died and were left homeless

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While Germany had surrendered, the continued. One of the most significant events of World War Two happened in 1945. This was the dropping of on the Japanese cities of Hiroshima and Nagasaki by American forces.

The decision to drop the atom bomb was taken by President Harry S. Truman, who had replaced Franklin Roosevelt following his death in April 1945. On 6 August 1945, Truman ordered an atom bomb to be dropped on the city of Hiroshima. It was dropped by a bomber plane named the Enola Gay. It is thought that at least 140,000 people were killed, of a total population of around 350,000.

When the atom bomb was dropped:

The temperature at the centre of the explosion reached 3000ºC - 4000ºC - three times hotter than volcanic lava.

Everything within a mile of the centre of the blast was flattened.

Fires spread and around 67 per cent of Hiroshima's buildings were destroyed.

Three days after the atom bomb was dropped on Hiroshima, a second one was dropped on the city of Nagasaki by a bomber plane called Bockscar. A further 74,000 people, at least, were killed. The Japanese Emperor, Hirohito, announced that Japan would surrender on 15 August. They formally signed a surrender agreement on 2 September.

This brought World War Two to an end.

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Find out about World War Two with BBC Bitesize History. For students between the ages of 11 and 14.

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90 percent of the city was killed and injured and were left homeless

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Major population groupings

1. Persons present in Hiroshima or Nagasaki at bombing time. Of the regular resident population, many children and older persons had been previously evacuated, while certain outsiders were working in the cities on their specific bombing days. Overall, the estimated "physically present" population of Hiroshima on August 6 was 340,000-350,000. Nagasaki's estimated "physically present" population on August 9 was 90,000-120,000.

2. Early entrants into both cities following the bombings, mainly soldiers, firefighters, medical workers, and other helping personnel.

3. Persons who suffered radiation injuries in the areas surrounding the two bombed cities.

Almost all persons in the above groupings, young or old, also fell into one of the following groups: (1) broken families; (2) A-bomb orphans; (3) orphaned elderly.

Hiroshima

Of the city's 298 medical doctors, 270 (90%) became A-bomb victims. Casualty rates among pharmacists, nurses, and other medical professionals ranged between 80% and 93%. Eighteen emergency hospitals and 32 first-aid clinics were destroyed, and most of the workers needed to restore these health facilities were killed or injured. Nearby army medical facilities were also mostly destroyed.

In sum, approximately 90% of all medical personnel were dead or disabled, and remaining medical facilities were thrown into great disrepair and confusion.
All citizens faced desperate conditions; the young and old, all the more so.

Nagasaki

In the 2-km zone of total destruction around ground zero in Nagasaki's Urakami valley, the city's chief medical facilities were destroyed. These included Nagasaki Medical University and its related hospital, the Urakami branch of Mitsubishi Hospital, Urakami First Hospital, and some other smaller health care institutions.

Of the 70 or so doctors in private practice in the city, twenty were dead and twenty more seriously wounded; only 30 were available to help the mass of A-bomb victims.

As a major port city, Nagasaki was surrounded by various naval installations. Medical personnel from several naval hospitals (Isahaya, Sasebo, Omura, and other places) came with support personnel to give assistance, making the overall situation somewhat better than in Hiroshima.

Even so, food, clothing, medicine, and other relief supplies in Nagasaki were, as in Hiroshima, extremely scarce. Moreover, heavy rains hit both cities in September, making the struggle to survive desperately difficult and miserable.

Local ability to mobilize health care personnel and restore medical facilities was severely hampered by the overall loss of non-military economic wealth (65 billion yen nationwide). Of this total, Hiroshima (884 million yen) and Nagasaki (380 million yen) together suffered over 2% of the national total.

Political restraints on recovery

On top of the enormous physical, medical, and social damages imposed on Japan by the two atomic bombings, the Supreme Commander of the Allied Occupation (SCAP) imposed another onerous handicap: censorship. Formally termed the Press Code, officially issued by the Occupation GHQ on September 19, 1945, it prohibited the publication of all reports and studies of A-bomb damages, including medical and scientific studies of all injuries and losses suffered by A-bomb victims in both Hiroshima and Nagasaki, whether in newspapers, magazines, scholarly journals, books, or other public means. Thus the A-bombed citizens struggled with ignorance of the many medical and social aspects of the decimated lives.

There were minor exceptions. The Hiroshima-based magazine, Chugoku Bunka, devoted its initial issue (March 10, 1946) to A-bomb damages. A Manhattan Project team published its report, The Atomic Bombings of Hiroshima and Nagasaki on June 29, 1946. And the U.S. Strategic Bombing Survey Team completed its report, The Effects of the Air Attack on the Cities of Hiroshima and Nagasaki the following day. These official documents, however, were printed in English and, in any case, did not touch deeply on the sufferings of the two A-bombed cities.

Most importantly, serious research on the extent and gravity of A-bomb damages and injuries could not be publicly printed and distributed by any Japanese persons or organizations, thus handicapping the surviving medical personnel trying to heal and assuage the thousands of A-bomb victims. The most revealing item, perhaps, is that the Japanese characters for "atomic bomb" ( genshi bakudan, or the short form, genbaku) could not even be used in public print. This applied to all forms: newspapers, magazines, books, public bulletins, and of course, movies.

Cameramen of the Japanese movie firm Nippon Eiga-sha were arrested by American MPs in Nagasaki on October 17, 1945, and two days later the photographing of A-bomb scenes was prohibited. A formal prohibition was issued by GHQ on December 12. It would be almost seven years later until, after the Occupation ended, the weekly magazine Asahi Gurafu ( Asahi Graph) filled an entire issue with heretofore unpublicized photographs of A-bomb damages and victims-the first A-bomb-related photos to be published in the postwar era.

One of the most moving instances of resistance to the Press Code was a small volume of tanka (a Japanese verse form of 31 syllables), penned by a hibakusha poet named Shinoe Shoda in Hiroshima. Titled Sange, it decried the cruelty of the bomb. As publication of all A-bomb-related materials was strictly banned, she took her manuscript to Tadao Nakamura, a clerk in the printing shop of a Hiroshima prison, who mimeographed 150 copies in December 1947. Shoda distributed copies to other hibakusha, all at her own expense and, of course, without SCAP permission. A hand-written copy of Sange was later donated to the Hiroshima Peace Cultural Foundation.

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Persons present in Hiroshima or Nagasaki at bombing time. Of the regular resident population, many children and older persons had been previously evacuated, while certain outsiders were working in the cities on their specific bombing days. Overall, the estimated "physically present" population of Hiroshima on August 6 was 340,000-350,000.

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Is that the u.s made 70.000 nuclear weapons

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The postwar Japanese experience has been a counterpoint struggle between the persistent advocacy of a peaceful world, as evident in huge public rallies and in the many levels of personal involvement in peace studies and promotion, on the one hand, and the reckless increase in nations making and stockpiling nuclear weapons in Europe and Asia. Foremost among players in this mounting nuclear crisis is the very nation that first opened the nuclear pandora's box, the United States. Yet, significant change has recently taken place in U.S. nuclear policy.

The Road to Reduction

From 1945 to 1990, the United States produced some 70,000 nuclear weapons of approximately 70 types for more than 120 weapon systems. In 1967 the operational stockpile reached a peak of about 32,000 warheads. A dramatic expansion occurred from the mid-1950s to the mid-1960s because each military branch wanted a special nuclear weapon for practically every conceivable mission. In the peak production years of 1959 and 1960, warheads came off the assembly lines at a rate of 27 per day-about 600 a month.

The many categories of "need" included various anti-submarine weapons (launched from ships and subs as well as dropped from helicopters), atomic land mines, artillery shells, surface-to-surface missiles in all ranges, air-to-surface and surface-to-air missiles, every size of gravity bomb for dozens of different nuclear-capable bombers, and three-dozen nuclear-capable tactical aircraft.

The historic high for megatonnage was reached in 1960 with almost 20,500 megatons (20 billion tons, or 40 trillion tons of TNT), the equivalent of about 1,400,000 Hiroshimas. By 2004, however, the total was down to about one-tenth the 1960 level, or some 2,000 megatons, or "only" 140,000 Hiroshimas. From the 1970s, the military's appetite for nuclear weapons had slackened, as many nuclear-based operations reverted to use of conventional weapons.

The United States has since dismantled approximately 60,000 warheads. For four decades there was a steady rhythm: old warheads were retired and new ones built. The trend ended in 1989, when the Rocky Flats plant in Colorado-where the explosive pits were made-was shut down for safety and environmental reasons. Since then, no new warheads have been produced. The remaining stockpile included warheads for well-known weapons such as the MX and Minuteman III missiles (ICBMs), Trident submarine-launched missiles, cruise missiles, and new or modified bombs.

Many of the nuclear weapons had been deployed abroad. The peak deployment of U.S. nuclear weapons in NATO countries in Europe was in 1971, with some 7,300 weapons dispersed in seven countries. In the Far East, the U.S. stored some 3,250 weapons in Okinawa, South Korea, Guam and the Philippines. In 1975, some 7,400 nuclear warheads were aboard various surface and submarine craft in the Atlantic and Pacific oceans, and the Mediterranean Sea.

When the Cold War ended, the U.S. stockpile had about 21,500 nuclear warheads. Of these, more than 11,000 were disassembled and disposed of during the 1990s, leaving about 10,400 in the stockpile as of early 2004. Of these, only a few hundred more are slated for dismantling, which is essentially the reverse of the assembly process, except that high explosives used for detonating the nuclear "pits" are disposed of by burning (from 1981 the amount burned annually averaged about 227,000 pounds).

Various bomb parts and nuclear supplies have been returned to the primary production facilities (e.g., Honeywell Plant in Kansas City, Pinellas Plant in Clearwater, Florida, Mound Plant near Daytona, Ohio, and the Y-12 plant in Oak Ridge Tennessee). Overall, some 11,751 warheads were dismantled in the decade 1990-1999.

The current Bush administration, however, harbors more ambitious plans. Plans for producing new "pits" (the explosive core of nuclear weapons) are underway at Los Alamos National Laboratory, and there are ambitious plans for a new facility capable of producing 250-900 pits annually by the year 2018.

"Mastery of Space"

The downsizing of traditional nuclear weapons programs outlined above was not due to a devaluing of nuclear power for military use. Quite the opposite: U.S. nuclear operations were shifted to a new theater-nuclear weapons in space.

The National Aeronautics and Space Administration (NASA) was developed around a core of German space scientists smuggled into the United States at the end of World War II. The head of this group was Werner von Braun, who had led the development of the V-2 rocket that Nazi Germany used to destroy much of London, Paris, and Brussels. The "core group" consisted of 100 top scientists, though the entire group from the "master race" numbered some 1,500. It hardly seems an accident that the banner over NASA headquarters today reads "Master of Space." This involves, of course, placement of space weapons so as to have mastery over the earth below.

The key to space mastery is a whole new program called Theater Missile Defense (TMD), which uses space stations capable of destroying others' missiles in their boost phase, that is, before they get up into space. The TMD system has, then, space weapons (including space laser guns) deployed strategically above the earth, with control stations located at strategic places on the earth. The overall system requires naval control ships circling the globe, as well the cooperation of friendly nations for stationing U.S. bases, as in Japan, Korea, and Taiwan for the Far East, as well as various locations in Europe and Central Asia.

The long-range goal is control of the entire earth, which includes control of who gets "on" or "off" planet earth with their own space ships. Beyond mastery of earth is a long-range goal of exploration and eventual mining for vital resources on other planets. Of course, trips to other planets take a long time (a year to Mars), though such times can be cut by half if nuclear propellants are used.

The drawback, of course, is that expanding the use of nuclear energy in space increases the already dangerous levels of "space junk" adrift in space. It is reported that the "first 1,000 kilometers" of space is already filled with so much "space junk" that adding to it will make future space trips more difficult. There are reportedly some 110,000 pieces of such junk already swimming in space-enough to make 34 plutonium reactor cores. And in the fabricating plants on earth, nuclear radiation has induced many cases of disease and death.

A further difficulty is that the space weapons program relies on many satellites that can be easily knocked out. Its operations depend heavily on computerized systems that can go wrong (some already have). On the ground, one serious accident at, say, Cape Canaveral would require removing everything-all exposed buildings, soil, personnel, vegetation, and so on. On the other end of this spectrum, extending the militarization into deep space would require even greater use of nuclear power because it is beyond the range of the solar system.

While NASA began as a civil administration, its alliance with military programs has caused its expenses to escalate. So it has turned to the Pentagon for funds, and its operations are now "dual use." Thus, so much of its funding is now top secret that it operates on a "black budget," a new seedbed for restricting civil liberties, including citizen rights to protest its program and products.

And protest is inevitable if for no other reason than NASA's program are so costly that all other government programs such as health, education, and public welfare may eventually lose much of their government support.. Thus could a "defense against threats from the outside" trigger an eventual civil collapse within the world's richest nation.

So, Are We Safe?

While no world-threatening accidents involving nuclear weapons have yet occurred, there have been hundreds of accidents of varying seriousness. But the U.S. government's record on public disclosure has been less than forthcoming.

When in 1958 a U.S. Air Force B-47 in England experienced trouble on takeoff and jettisoned two full 1,700-gallon wingtip fuel tanks at 8,000 feet, the tanks missed a "safe impact area" and exploded behind a parked B-47 loaded with nuclear weapons. The resulting fire burned for 16 hours, destroying the parked bomber and causing release of finely powdered uranium and plutonium oxides. People in the town of Newbury, the closest downwind village, later reported "a cluster of leukemia cases."

Other NATO allies in Europe have been put at risk by nuclear accidents involving U.S. nuclear warheads. On at least four occasions between mid-October 1961 and August 1962, Jupiter missiles carrying 1.4 megaton thermonuclear warheads were struck by lightening; thermal batteries were activated, and in two cases, tritium-deuterium "boost" gas was injected into the warhead pits, partially arming them.

These are just a few of the many incidents found in the U.S. Defense Department's compilation, "Narrative Summaries of Accidents Involving U.S. Nuclear Weapons, 1950-1980," which listed only 32 "Broken Arrow"-type nuclear accidents and incidents for the 30-year period. "Broken Arrow" cases include lost weapons, burned weapons, dropped weapons, ruptured weapons, and weapons in which high explosives were inadvertently detonated. They are the most severe incidents; others include "Bent Spears," "Dull Swords," and "Empty Quivers."

The 1981 list, however, included only cases that had been publicly disclosed and those when radioactive fallout spread beyond the limits of military bases in the U.S. or in a foreign country. Seven of the cases were not reported when they happened, and only 14 were revealed at times when nuclear weapons were involved.

Other privately generated reports, along with some official government reports, put the total of nuclear weapons accidents/incidents well above 32. A 1985 General Accounting Office study noted that the navy reported 233 incidents involving nuclear weapons between 1965 and 1983. A 1989 Greenpeace publication lists a total of 383 nuclear weapons involved in navy incidents between 1965 and 1977. A 1973 Sandia Laboratories report cited a then-classified army report of 1,250 nuclear weapons accidents between 1950 and 1968, including 272 cases (22 percent) that caused detonation of the weapons' conventional high explosives. (See following table for a breakdown of these cases.)

Why the Defense Department has yet to acknowledge so many incidents beyond the 32 disclosed in 1981 is a mystery. "Continued and unnecessary secrecy about past accidents only increases suspicion, both within and outside the United States, that other serious accidents have occurred and that there has been undisclosed radiological contamination in one or more of the other countries that hosted U.S. nuclear forces during the Cold War," wrote Chuck Hansen in the Bulletin of the Atomic Scientists issue (Nov.-Dec., 2000) from which the above, and the following table, are taken.

So now, as the planned placement of nuclear weapons in space is reported, citizens at home and abroad are naturally concerned about the need and wisdom of placing "star wars" directly above our heads. Nothing remotely resembling democratic process has been involved in this exceedingly dangerous scheme. How will "incidents" and "accidents" be dealt with, resolved, or removed from the high heavens? The costs are reportedly so high, that many government services which the public has voted into place, and on which we depend for health, education, and an effective economy, may well be sacrificed. Is "mastery of space" worth losing mastery of our own lives?

Breakdown of the 272 weapons accidentes in the 1973 Sandia report

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AtomicBombMuseum.org - The Pursuit of Peace

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The postwar Japanese experience has been a counterpoint struggle between the persistent advocacy of a peaceful world, as evident in huge public rallies and in the many levels of personal involvement in peace studies and promotion, on the one hand, and the reckless increase in nations making and stockpiling nuclear weapons in Europe and Asia.

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After reading about the atomic bomb my opinion is that it is a good think to learn about  Many people might think that it might be helpful and not helpful , but really i think it is a helpful think to learn about One theory I have is that it is talking about what happened in world war 2 perhaps people think it is not true and this makes me wonder why did they make the atomic bomb for.