Since the birth of Physical Review Letters fifty years ago‚ condensed matter physics has seen considerable growth‚ and both the journal and the field have flourished during this period. In this essay‚ I begin with some general comments about condensed matter physics and then give some personal views on the conceptual development of the field and list some highlights. The focus is mostly on theoretical developments. DOI: 10.1103/PhysRevLett.101.250001 PACS numbers: 01.30.−y The transistor
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Name __________________________________ Electric Fields Go to HYPERLINK "http://phet.colorado.edu/simulations/sims.php?sim=Electric_Field_Hockey" http://phet.colorado.edu/simulations/sims.php?sim=Electric_Field_Hockey and click on Run Now. 1. You rub balloons in your hair and then hang them like in the picture below. Explain why you think they move apart and what might affect how far apart they get. When the balloons are rubbing together they are taking charges(electrons ) from
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May 1‚ 2012 ACCELERATION OF A FREE FALL Aim: To calculate the acceleration of gravity (������) of free fall of a body on earth. Apparatus Required: • • • • • • Light gates Ruler( ±0.001 m) String Free falling object(cylindrical tube taken) Stand Weight to support the
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Madeline Totten Dr. Su Phy 110 Lab 18 September 2013 Lab 2: Introduction to DataStudio Purpose: The purpose of this lab is to practice designing an experiment by choosing the variables‚ using DataStudio to collect the data from the experiment‚ and then taking our data and presenting it and our results in a report. Method: For this experiment‚ the goal was to use a simple pendulum (shown to the left) to measure the period of the motion. For task 1‚ we just became familiar with DataStudio
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An inclined plane is a flat supporting surface tilted at an angle‚ with one end higher than the other‚ used as an aid for raising or lowering a load. Inclined planes are widely used to move heavy loads over vertical obstacles; examples vary from a ramp used to load goods into a truck‚ to a person walking up a pedestrian ramp‚ to an automobile or railroad train climbing a grade. Inclined planes are widely used in the form of loading ramps to load and unload goods on trucks‚ ships‚ and planes. Wheelchair
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Sam Preusser Mr. Staude U.S. History 25 April 2013 Truman Doctrine VS. Marshall Plan The years after the war brought times of disagreement and argument. The United States worked at this time to contain and control the spread of communism. During the years of WWII and the Cold War this idea was prominent and an issue America thought must be solved. Their were two strong attempts to fight communism. These attempts were the Truman Doctrine and the Marshall Plan. These ideas go hand in hand making
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Determining a Person’s Power through height/work Power is denoted by the formula‚ P = mgh/t. In lifting a bag‚ work is done. So in order to get power we recorded our weight‚ measured the weight of the bag‚ and the time it took to lift a bag. The experiment is done in two ways 1) with constant time and 2) with constant height. In this way‚ we can compare and know if there will be a difference in the amount of power exerted by a person if either time or height will be constant. The formulated
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Meter Stick Meter Stick Meter Stick The purpose of this experiment is to use the ballistic pendulum to determine the initial velocity of a projectile using conservation of momentum and conservation of energy as well as motion of projectiles. Carbon Paper Meter Stick Ballistic Pendulum In this experiment a steel ball will be shot into the bob of a pendulum and the height‚ h‚ to which the pendulum bob moves‚ as shown
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TUBERCULOSIS Tuberculosis‚ commonly known as TB‚ is a contagious and an often severe airborne disease caused by a bacterial infection. TB typically affects the lungs‚ but it also may affect any other organ of the body. It is usually treated with a regimen of drugs taken for 6 months to 2 years‚ depending on the type of infection Tuberculosis was popularly known as consumption for a long time. Scientists know it as an infection caused by M. tuberculosis. In 1882‚ the microbiologist Robert Koch discovered
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Economy of India From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Economy of ’The Republic of India ’ Mumbai‚ Financial Capital of India Rank 10th (nominal) / 3rd (PPP) Currency 1 (INR) () = 100 Paise Fiscal year 1 April – 31 March Trade organizations WTO‚ SAFTA‚ G-20 and others Statistics GDP $1.824 trillion (nominal: 10th; 2012)[1] $4.684 trillion (PPP: 3rd; 2012)[1] GDP growth 5.3% (2012–2013)[2] GDP per capita $1‚591 (nominal: 134th; 2012)[1] $3‚851 (PPP:
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