
What happened during the Atomic Age?
The Atomic Age, also known as the Atomic Era, is the period of history following the detonation of the first nuclear weapon, The Gadget at the Trinity test in New Mexico, on July 16, 1945, during World War II. Although nuclear chain reactions had been hypothesized in 1933 and the first artificial self-sustaining nuclear chain...
What is another name for the Atomic Age?
For the comic-book miniseries, see Atomic Age (comics). The Atomic Age, also known as the Atomic Era, is the period of history following the detonation of the first nuclear weapon, The Gadget at the Trinity test in New Mexico, on July 16, 1945, during World War II.
When did the Nuclear Age start?
The start of the nuclear age. Seventy years ago today on July 16, 1945, scientists saw “the end of the world”—how one of those scientists’ descendants described to me the first ever-nuclear blast.
Who coined the term atomic age in journalism?
Laurence, the only journalist the U.S. government permitted to witness the bombing of Nagasaki, is also the reporter who first coined the term "Atomic Age." ... Nagasaki, Laurence launched his Times series, where he extolled the bomb and sought to discredit other accounts about effects of the bomb.

Why did the Atomic Age begin?
The Atomic Age, also known as the Atomic Era, is the period of history following the detonation of the first nuclear weapon, The Gadget at the Trinity test in New Mexico, on July 16, 1945, during World War II.
What events led up to the atomic bomb?
Events leading up to the Atomic BombBataan Death March. 04/03/1942 - 04/04/1942. The Bataan Death March was when Japan captured about 70,000 United States Troops stationed in the Philippines. ... Island Hopping Campaign. 01/01/1944 - 2/01/1945. ... Surrender. 08/14/1945 - 08/15/1945.
When was the first nuclear age?
16 July 1945The Earth exploded into the nuclear age on 16 July 1945. On that day, the US tested a completely new type of weapon in the New Mexico desert. Crafted from a tennis-ball-sized plutonium sphere, the Trinity bomb produced an explosion equivalent to 20,000 tonnes of TNT.
What was invented during the Atomic Age?
Robert Oppenheimer, “father of the atomic bomb.” On July 16, 1945, in a remote desert location near Alamogordo, New Mexico, the first atomic bomb was successfully detonated—the Trinity Test. It created an enormous mushroom cloud some 40,000 feet high and ushered in the Atomic Age.
Was dropping the atomic bomb a war crime?
Hiroshima: Atomic Blast That Changed The World Turns 75 The bombings of Hiroshima and Nagasaki were said at the time to be justified as the only way to end World War II. Seventy-five years later, legal experts say they would now be war crimes.
Did the U.S. warn Hiroshima?
President Harry S. Truman, warned by some of his advisers that any attempt to invade Japan would result in horrific American casualties, ordered that the new weapon be used to bring the war to a speedy end. On August 6, 1945, the American bomber Enola Gay dropped a five-ton bomb over the Japanese city of Hiroshima.
Who made nuclear bomb first?
J. Robert OppenheimerKnown forNuclear weapons development Tolman–Oppenheimer–Volkoff equation Tolman–Oppenheimer–Volkoff limit Oppenheimer–Phillips process Born–Oppenheimer approximationSpouseKatherine "Kitty" Puening ( m. 1940)Children2AwardsEnrico Fermi Award (1963)15 more rows
Who got the atomic bomb first?
the United StatesThe first atomic bomb to be used in warfare used uranium. It was dropped by the United States on Hiroshima, Japan, on August 6, 1945.
How the nuclear age transformed the world?
It thrust the world into the atomic age, changing warfare and geopolitical relations forever. Less than a month later, the U.S. dropped two nuclear weapons on Hiroshima and Nagasaki, Japan—further proving it was now possible to obliterate large swaths of land and kill masses of people in seconds.
What years were the Atomic Age?
Spanning the late 1940s through about 1960, Atomic Age design is characterized by references and responses to nuclear science and the atomic bomb. In the aftermath of World War II, the United States underwent a period of mass suburbanization.
Why was the Cold War period also called as the Atomic Age?
The Cold War: The Atomic Age In particular, American officials encouraged the development of atomic weapons like the ones that had ended World War II.
Why did Oppenheimer create the atomic bomb?
Following the 1939 invasion of Poland by Nazi Germany, Oppenheimer was selected to administer a laboratory to carry out the Manhattan Project, a U.S. Army experiment aimed at harnessing atomic energy for military purposes.
What events led up to the U.S. decision to use nuclear weapons against Japan?
The Japanese bombing of Pearl Harbor on December 7, 1941, brought the United States officially into World War II. In the surprise attack, Japan sunk several ships, destroyed hundreds of planes and ended thousands of lives. The Japanese goal was to cripple the U.S. Pacific fleet, and they nearly succeeded.
What led to the Hiroshima bombing?
Truman ordered the bombing of Hiroshima with the belief that it would shorten the war and save lives, though he was predominantly focused on American lives. His commanders predicted upwards of half a million American casualties if a direct assault on Japan was necessary and even higher numbers of Japanese.
What caused the U.S. to bomb Hiroshima and Nagasaki?
In order to avoid such a high casualty rate, Truman decided–over the moral reservations of Secretary of War Henry Stimson, General Dwight Eisenhower and a number of the Manhattan Project scientists–to use the atomic bomb in the hopes of bringing the war to a quick end.
Why did the Hiroshima bombing happen?
A number of factors contributed to the United States' decision to drop atomic bombs on Japan. One reason was Japan's unwillingness to surrender unconditionally. Japan wanted to keep their emperor and conduct their own war trials and did not want to be occupied by U.S. forces.
What was the atomic bomb?
Beginning of the Atomic Age. The atomic bomb became the final divisive issue, contributing to the ultimate breakdown of U.S.-Soviet relations. In late 1938, German physicists had discovered that uranium atoms undergo fission when bombarded by neutrons.
What countries did Stalin support?
He considered countries such as Poland, Bulgaria, and Romania part of an essential buffer zone to prevent future attacks on the territory of the U.S.S.R.
What was the Cold War?
The Cold War was an ideological, political, economic, and military conflict between the United States and the Union of Soviet Socialist Republics (U.S.S.R. ), which began in the aftermath of World War II and ended in 1989. From the outset, the Cold War was inextricably linked ...
What was the Soviet Union's role in World War II?
the Soviet Union bore the brunt of military action , attempting to fend off a massive German invasion. Although American President Franklin D. Roosevelt (1882–1945) promised the Soviet leader substantial economic aid, the United States managed to provide relatively few supplies. More important, Roosevelt assured Stalin in 1942 that American troops would relieve some of the military pressure on Russia by establishing a second front in Western Europe. However, logistical and production problems postponed an allied invasion for several years. When allied forces finally landed on Europe's shores on June 6, 1944, Roosevelt had reneged on his promise three times. This delay burdened post-World War II U.S.-Soviet relations considerably.
When was Plutonium 239 made?
The other, more complicated, design used man-made Plutonium-239, which was produced in nuclear reactors that University of Chicago physicist Enrico Fermi (1901–1954) had invented in 1942. By 1944, three large reactors produced uranium and plutonium for the first American bombs.
What was the difference between the Soviet Union and the United States?
By contrast, the Soviet Union sought territorial expansion and spheres of influence that would guarantee the country's national security.
How many nuclear weapons did the US have in 1950?
By the beginning of the new decade, the United States had amassed three hundred nuclear weapons. However, since the American administration had learned in early September, 1949, ...
How many kilotons of TNT were fired at the Nevada test site?
Forty-five nuclear fission weapons, weapon prototypes, and experimental devices were fired at the Nevada Test Site from January 1951 to June 1955. They ranged in yield from less than 1 kiloton up to considerably less than 100 kilotons. (A kiloton is equivalent to 1,000 tons of TNT.)
What are the effects of atomic detonation?
The effects of a detonation include flash, blast, and radio-active fallout. Your potential exposure to these effects will be low, and it can be reduced still further by your continued cooperation.
What year was the Atomic Tests booklet?
1957 Booklet: Atomic Tests in Nevada. In 1957 Mike McCollough was in the eighth grade at Townsite Elementary School in Henderson, Nevada. As part of the Civil Defense effort that year, he and all of his classmates were given a green booklet titled "Atomic Tests in Nevada.".
Why is Nevada testing justified?
Each test fired in Nevada is justified, before it is scheduled, as to national need for the data sought. Each Nevada test has successfully added to scientific knowledge needed for development and use of atomic weapons, and needed to strengthen our defense against enemy weapons. Most tests have been used additionally for basic research, such as biological studies, which could be conducted only in the presence of a full scale nuclear detonation.
Why are Nevada tests important?
They have made important contributions to the development of a whole family of weapons, including ones for defense against attack . Because of them our Armed Forces are stronger and our Civil Defense better prepared.
How much did the Reca pay out in 2001?
As of 2001, RECA has paid out some $232 billion for 3,135 claims. Explore the different ways in which the government presented the safety and importance of the tests to the American public in the early years of the Cold War. 1955 Stamp: Atoms for Peace.
How has the low level of public exposure been made possible?
The low level of public exposure has been made possible by very close attention to a variety of on-site and off-site procedures.
What did Einstein say about nuclear weapons?
In 1939, Albert Einstein wrote to President Roosevelt that nuclear weapons had the potential to take out whole ports; by the time of Little Boy and Fat Man, nuclear weapons could vaporize whole cities. Today, as Steven Starr, Lynn Eden and Theodore Postol have written, one 800-kiloton bomb dropped over Manhattan would create a fire zone covering a total area of 90 to 150 square miles. Russian intercontinental ballistic missiles carry hundreds of such warheads.
How long did it take for the Pugwash to become a web of arms control?
Policy leaders took up their challenge and over the course of 70 years created a web of arms control and disarmament agreements that have successfully lessened the number and spread of nuclear weapons.
How many nuclear weapons were there in 1986?
The number of nuclear weapons has also decreased dramatically, from a high of around 70,000 in 1986, to around 17,000 today. And this week’s historic agreement between ...
How much did the Manhattan Project cost?
The Manhattan Project, as the effort was called, ultimately brought together 150,000 scientists from across the country at a cost of around $2 billion. The goal was to beat the Nazis in a race to create an atomic bomb.
What was the goal of the scientists?
In fact, they were significantly and miraculously ahead. The goal for some of the scientists was to create a weapon so monstrous it would end major-power wars. And, in this, they accomplished their goal. For others the goal was to beat the Germans, an end that was reached independent of the creation of an atomic bomb.
When did the nuclear explosion start?
The start of the nuclear age. Seventy years ago today on July 16, 1945 , scientists saw “the end of the world”—how one of those scientists’ descendants described to me the first ever-nuclear blast. Code-named Trinity, the blast occurred in a remote part of the New Mexico desert outside of Los Alamos National Laboratory.
When did Trinity start writing?
The Bulletin of the Atomic Scientists, where I work, published its first newsletter in December 1945 . Seventy years later, that organization continues to engage scientists, policy makers and the public on existential threats.
What is the NIST F1 clock?
Called NIST-F1, it is the 8th of a series of cesium clocks built by NIST and NIST's first to operate on the "fountain" principle. Other kinds of atomic clocks have also been developed for various applications;
What is the frequency of cesium?
The cesium atom's natural frequency was formally recognized as the new international unit of time in 1967: the second was defined as exactly 9,192,631,770 oscillations or cycles of the cesium atom's resonant frequency, replacing the old second that was defined in terms of the Earth's motions. The second quickly became the physical quantity most accurately measured by scientists. As of January, 2002, NIST's latest primary cesium standard was capable of keeping time to about 30 billionths of a second per year. Called NIST-F1, it is the 8th of a series of cesium clocks built by NIST and NIST's first to operate on the "fountain" principle.
What was the purpose of radar in the 1930s?
The development of radar and extremely high frequency radio communications in the 1930s and 1940s made possible the generation of the kind of electromagnetic waves (microwaves) needed to interact with atoms. Research aimed at developing an atomic clock focused first on microwave resonances in the ammonia molecule.
What is a walk through time?
A Walk Through Time - The "Atomic Age" of Time Standards. Scientists had long realized that atoms (and molecules) have resonances; each chemical element and compound absorbs and emits electromagnetic radiation at its own characteristic frequencies. These resonances are inherently stable over time and space. An atom of hydrogen or cesium here today ...
When was cesium introduced into the NIST system?
By 1960, cesium standards had been refined enough to be incorporated into the official timekeeping system of NIST. Standards of this sort were also developed at a number of other national standards laboratories, leading to wide acceptance of this new timekeeping technology.
When was the first cesium atomic frequency standard developed?
The first practical cesium atomic frequency standard was built at the National Physical Laboratory in England in 1955, and in collaboration with the U.S. Naval Observatory (USNO), the frequency of the cesium reference was established or measured relative to astronomical time.
When was the first atomic clock invented?
In 1949, NIST built the first atomic clock, which was based on ammonia. However, its performance wasn't much better than the existing standards, and attention shifted almost immediately to more promising atomic-beam devices based on cesium.
What was the first female bathing suit to expose the belly button?
The bikini was the first female bathing suit to expose the bellybutton, and Réard claimed it “was sure to be as explosive as the U.S. military tests.”. Atomic Age design principles influenced architecture, visual art, and other design styles.
What is organic design?
Organic forms were another hallmark characteristic of Atomic Age design. This style used “shapes inspired by nature…to evoke living entities, ranging from amoebas and plant life to the human figure” ( 2 ). Organic design often employs “materials found in nature [for its] prevalently curvilinear” shapes ( 3 ).
Why is the atom used in domestic objects?
Some speculate that the lighthearted visual appropriation of the atom in domestic objects was a way of taming anxieties over the destructive power of atomic weapons. Others believe that this trend reflected the optimism some Americans held toward the peacetime applications of atomic science, particularly its potential role in replacing coal and fuel as a source of electricity. Perhaps it was both, as Americans tried to contend with the complex implications of this new technology. Regardless of the precise motivation, the emergence of nuclear iconography in the home shows that the atom—with all its potential applications—was on the minds of everyday Americans.
What was the atomic age?
Atomic Age Design. The development of nuclear weapons had a notable impact on many aspects of American culture, including design. Spanning the late 1940s through about 1960, Atomic Age design is characterized by references and responses to nuclear science and the atomic bomb. In the aftermath of World War II, the United States underwent a period ...
What is an example of organic forms?
One example of organic forms in design would be this 1946 chair, one of many designed by Charles and Ray Eames in the postwar period. Using molded plywood for “seat and back forms to fit the human anatomy” ( 3 ), this Eames chair—which was mass-produced by Herman Miller in the 1950s—eschews rigid geometry and industrial materials in favor of a more natural aesthetic.
What were the objects that were celebrated in the design aesthetic?
This contrasted the previous dominant design aesthetic, in which “machines were revered as technical marvels and artistic icons, [and] cars, airplanes, and locomotives were celebrated in ordinary objects such as radios, clocks, and pencil sharpeners” ( 4 ).
Who designed the atomic suit?
In 1946, French designer Jacques Heim debuted the Atome, which was branded as the “world’s smallest bathing suit.”. Competing designer Louis Réard also capitalized on Atomic Age excitement when he debuted the bikini—named for the Bikini Atoll, the location for Operation Crossroads.
What was the standoff in Cuba in 1962?
Learn about the 13-day political and military standoff in October 1962 over the installation of nuclear-armed Soviet missiles on Cuba
When did the second atomic bomb explode?
Atomic Bombing of Nagasaki. At 11:02 a.m. on August 9, 1945, the explosion of a second atomic bomb devastated the city of Nagasaki. Learn More ».
When did the Trinity test happen?
The Trinity Test. On July 16, 1945 the world changed with the explosion of the first atomic bomb that took place at Trinity Site. Learn More ».
What is geologic time scale?
The geologic time scale covers the extent of the existence of Earth, from about 4600 million years ago to the present day. It is marked by Global Boundary Stratotype Sections and Points. Geologic time units are (in order of descending specificity) eons, eras, periods, epochs, and ages; and the corresponding chronostratigraphic units, which measure "rock-time", are eonothems, erathems, systems, series, and stages.
What is the period between prehistory and history?
Protohistory – Period between prehistory and history, during which a culture or civilization has not yet developed writing but other cultures have already noted its existence in their own writings; the absolute time scale of "protohistory " varies widely depending on the region, from the late 4th millennium BCE in the Ancient Near East to the present in the case of uncontacted peoples.
What is the Greek and Roman world called?
Classical Antiquity – Broad term for a long period of cultural history centered on the Mediterranean Sea, comprising the interlocking civilizations of ancient Greece and ancient Rome, collectively known as the Greco-Roman world. It is the period in which Greek and Roman society flourished and wielded great influence throughout Europe, North Africa and the Middle East.
How many lines are there in a logarithmic timeline?
Logarithmic timeline shows all history on one page in ten lines.
What is the Upper Paleolithic?
Upper Paleolithic — worldwide expansion of anatomically modern humans, the disappearance of archaic humans by extinction or admixture with modern humans; earliest evidence for pictorial art.
What was the Victorian era?
Victorian era (the United Kingdom, 1837–1901); British hegemony (1815-1914) much of world, around the same time period.
What is contemporary history?
Contemporary History – History within living memory. It shifts forward with the generations, and today is the span of historic events from approximately 1945 that are immediately relevant to the present time.
