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View this short instructional film made in 1951 that teaches elementary school children what to do in the event an atomic bomb is dropped. Why do you think officials tried to convey the message that a nuclear attack was survivable?

Government and industry allocated enormous amounts of money to the research and development of more powerful weapons. This investment generated rapid strides in missile technology as well as increasingly sensitive radar. Computers that could react more quickly than humans and thereby shoot down speeding missiles were also investigated. Many scientists on both sides of the Cold War, including captured Germans such as rocket engineer Werner von Braun, worked on these devices. An early success for the West came in 1950, when Alan Turing, a British mathematician who had broken Germany’s Enigma code during World War II, created a machine that mimicked human thought. His discoveries led scientists to consider the possibility of developing true artificial intelligence.

However, the United States often feared that the Soviets were making greater strides in developing technology with potential military applications. This was especially true following the Soviet Union’s launch of Sputnik    ( [link] ), the first manmade satellite, in October 1957. In September 1958, Congress passed the National Defense Education Act, which pumped over $775 million into educational programs over four years, especially those programs that focused on math and science. Congressional appropriations to the National Science Foundation also increased by $100 million in a single year, from $34 million in 1958 to $134 million in 1959. One consequence of this increased funding was the growth of science and engineering programs at American universities.

A photograph shows a replica of Sputnik.
The launch of the Soviet satellite Sputnik frightened many in the United States, who feared that Soviet technology had surpassed their own. To calm these fears, Americans domesticated Sputnik , creating children’s games based on it and using its shape as a decorative motif.

In the diplomatic sphere, Eisenhower pushed Secretary of State John Foster Dulles to take a firmer stance against the Soviets to reassure European allies of continued American support. At the same time, keenly sensing that the stalemate in Korea had cost Truman his popularity, Eisenhower worked to avoid being drawn into foreign wars. Thus, when the French found themselves fighting Vietnamese Communists for control of France’s former colony of Indochina, Eisenhower provided money but not troops. Likewise, the United States took no steps when Hungary attempted to break away from Soviet domination in 1956. The United States also refused to be drawn in when Great Britain, France, and Israel invaded the Suez Canal Zone following Egypt’s nationalization of the canal in 1956. Indeed, Eisenhower, wishing to avoid conflict with the Soviet Union, threatened to impose economic sanctions on the invading countries if they did not withdraw.

Suburbanization

Although the Eisenhower years were marked by fear of the Soviet Union and its military might, they were also a time of peace and prosperity. Even as many Americans remained mired in poverty, many others with limited economic opportunities, like African Americans or union workers, were better off financially in the 1950s and rose into the ranks of the middle class. Wishing to build the secure life that the Great Depression had deprived their parents of, young men and women married in record numbers and purchased homes where they could start families of their own. In 1940, the rate of homeownership in the United States was 43.6 percent. By 1960, it was almost 62 percent. Many of these newly purchased homes had been built in the new suburban areas that began to encircle American cities after the war. Although middle-class families had begun to move to the suburbs beginning in the nineteenth century, suburban growth accelerated rapidly after World War II.

Questions & Answers

Three charges q_{1}=+3\mu C, q_{2}=+6\mu C and q_{3}=+8\mu C are located at (2,0)m (0,0)m and (0,3) coordinates respectively. Find the magnitude and direction acted upon q_{2} by the two other charges.Draw the correct graphical illustration of the problem above showing the direction of all forces.
Kate Reply
To solve this problem, we need to first find the net force acting on charge q_{2}. The magnitude of the force exerted by q_{1} on q_{2} is given by F=\frac{kq_{1}q_{2}}{r^{2}} where k is the Coulomb constant, q_{1} and q_{2} are the charges of the particles, and r is the distance between them.
Muhammed
What is the direction and net electric force on q_{1}= 5µC located at (0,4)r due to charges q_{2}=7mu located at (0,0)m and q_{3}=3\mu C located at (4,0)m?
Kate Reply
what is the change in momentum of a body?
Eunice Reply
what is a capacitor?
Raymond Reply
Capacitor is a separation of opposite charges using an insulator of very small dimension between them. Capacitor is used for allowing an AC (alternating current) to pass while a DC (direct current) is blocked.
Gautam
A motor travelling at 72km/m on sighting a stop sign applying the breaks such that under constant deaccelerate in the meters of 50 metres what is the magnitude of the accelerate
Maria Reply
please solve
Sharon
8m/s²
Aishat
What is Thermodynamics
Muordit
velocity can be 72 km/h in question. 72 km/h=20 m/s, v^2=2.a.x , 20^2=2.a.50, a=4 m/s^2.
Mehmet
A boat travels due east at a speed of 40meter per seconds across a river flowing due south at 30meter per seconds. what is the resultant speed of the boat
Saheed Reply
50 m/s due south east
Someone
which has a higher temperature, 1cup of boiling water or 1teapot of boiling water which can transfer more heat 1cup of boiling water or 1 teapot of boiling water explain your . answer
Ramon Reply
I believe temperature being an intensive property does not change for any amount of boiling water whereas heat being an extensive property changes with amount/size of the system.
Someone
Scratch that
Someone
temperature for any amount of water to boil at ntp is 100⁰C (it is a state function and and intensive property) and it depends both will give same amount of heat because the surface available for heat transfer is greater in case of the kettle as well as the heat stored in it but if you talk.....
Someone
about the amount of heat stored in the system then in that case since the mass of water in the kettle is greater so more energy is required to raise the temperature b/c more molecules of water are present in the kettle
Someone
definitely of physics
Haryormhidey Reply
how many start and codon
Esrael Reply
what is field
Felix Reply
physics, biology and chemistry this is my Field
ALIYU
field is a region of space under the influence of some physical properties
Collete
what is ogarnic chemistry
WISDOM Reply
determine the slope giving that 3y+ 2x-14=0
WISDOM
Another formula for Acceleration
Belty Reply
a=v/t. a=f/m a
IHUMA
innocent
Adah
pratica A on solution of hydro chloric acid,B is a solution containing 0.5000 mole ofsodium chlorid per dm³,put A in the burret and titrate 20.00 or 25.00cm³ portion of B using melting orange as the indicator. record the deside of your burret tabulate the burret reading and calculate the average volume of acid used?
Nassze Reply
how do lnternal energy measures
Esrael
Two bodies attract each other electrically. Do they both have to be charged? Answer the same question if the bodies repel one another.
JALLAH Reply
No. According to Isac Newtons law. this two bodies maybe you and the wall beside you. Attracting depends on the mass och each body and distance between them.
Dlovan
Are you really asking if two bodies have to be charged to be influenced by Coulombs Law?
Robert
like charges repel while unlike charges atttact
Raymond
What is specific heat capacity
Destiny Reply
Specific heat capacity is a measure of the amount of energy required to raise the temperature of a substance by one degree Celsius (or Kelvin). It is measured in Joules per kilogram per degree Celsius (J/kg°C).
AI-Robot
specific heat capacity is the amount of energy needed to raise the temperature of a substance by one degree Celsius or kelvin
ROKEEB
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Source:  OpenStax, U.s. history. OpenStax CNX. Jan 12, 2015 Download for free at http://legacy.cnx.org/content/col11740/1.3
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