doi:10.1038/nature07378 L ETTERS Correlation between nanosecond X-ray flashes and stick–slip friction in peeling tape Carlos G. Camara1*‚ Juan V. Escobar1*‚ Jonathan R. Hird1 & Seth J. Putterman1 Relative motion between two contacting surfaces can produce visible light‚ called triboluminescence1. This concentration of diffuse mechanical energy into electromagnetic radiation has previously been observed to extend even to X-ray energies2. Here we report that peeling common adhesive tape in a
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Zero Dark Thirty Zero Dark Thirty was real was released in 2012 directed by Kathryn Bigelow and written by Mark Boal. The movie followed the decade-long manhunt for Osama bin Laden‚ who was the leader for al Qaeda and responsible for the September 11‚ 2001 terrorist attacks in the United States‚ ending with the military raid and his death in May of 2011. Zero Dark Thirty has been labeled as “the story of history’s greatest manhunt for the world’s most dangerous man. Zero Dark Thirty was nominated
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among many others. This paper will focus primarily on one individual who exemplifies these traits and many other characteristics which contributes greatly to his success as a leader. The person that has been selected for the basis of this paper is Ray Lewis‚ a twelve year pro-bowl selection linebacker from the Baltimore Ravens. The reason I have chosen Lewis for this paper is because of the qualities he has as a leader not only on the playing field‚ but off of it as well. He is what I believe to
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the world better. Furthermore‚ she believes that in order for freedom to be achieved‚ it is essential that women be involved. The short play written by Georgia Douglas Johnson tackles themes of racism‚ inequality and interracial relationships. Blue-Eyed Black Boy is a story of progress within
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rChest X-Ray – PIER + ABCDEFGH Identify your pt: DOB‚ CC‚ HPI PIER Use the "PIER" mnemonic to assess for adequacy of the film. * Position: Typically‚ upright PA and lateral. Sick patients will have the fuzzier supine AP (because the film is slid under their chest as they are lying down). Size of the heart is exaggerated in AP view compared to PA. Edge of the medial border of scapula is at the midline of lung field in AP. * Inspiration: Count the visible ribs. Lung fields should extend
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Cathode ray tube is used for producing images‚ when an electron beam hits the surface made out of a phosphorescent‚ and the cathode ray tube is basically a vacuum tube. An example of a cathode ray tube is a computer desktop and the picture tubes in television are similar to the cathode ray tube in television. There are numerous components of cathode ray tube‚ which are the Electron gun‚ Anodes‚ Coil‚ Phosphor-coated screen‚ electronic beam and the spot through which the beam passes through. In a
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Golden Ages Almost everyone thinks that the Greeks and Romans invented everything that led to the industrial revolution in the modern world. The Orient has been assumed as a part of the world which was all mud‚ disease‚ death‚ and destruction with marauding mobs of barbarians ripping down the good of former civilization‚ burning and plundering as they went‚ nothing of any worth was invented? In a period considered to be the darkest of all in Europe‚ Dark ages or should be known as Golden ages‚ there
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DARK AGES IN EUROPE Dark Ages is the term that was formerly used to describe the decline of Roman culture and the turmoil in Europe in the 5th and 6th centuries after the collapse of the Roman Empire. Modern historians avoid the term with its implication that only Roman values were civilised values. Many Germanic peoples traveled through Italy‚ Germany‚ France‚ Spain and North Africa‚ settling wherever they could. Many groups formed their own kingdoms. The label employs traditional light-versus-darkness
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Ray Bradbury’s Fahrenheit 451 has been highly regarded and analyzed by a variety of critics through its monumental plot‚ haunting language‚ and frighteningly relevant themes. The dystopian backdrop and themes of the novel are deeply connected to the environment of which the novel was written and the events that transpired throughout Bradbury’s life fuelled his artistic response to the McCarthyism era. Through deep analyzation of Bradbury’s life‚ Garyn G. Roberts concludes that‚ “Fahrenheit 451
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Angela Viola ENG 102 M/W 3- 4:15 Professor Mirelese A Shot in the Dark Immunization has been deemed the most important public health intervention in history‚ after safe drinking water. It has saved millions of lives over the years and prevented hundreds of millions of cases of disease. There are many legitimate concerns about vaccines safety from parents. Questions arise if vaccines should be state mandated without the choice from parents. Ethically speaking‚ parents need to be aware on
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