LIQUID CRYSTALS Introduction What are Liquid crystals ? Its History & Discovery Any of various liquids in which molecules are regularly arrayed like a solid crystal along one or two dimensions‚ but are free in the other dimensions as with typical liquids. Liquid crystals often display unusual and often manipulable optical properties such as anisotropic scattering. They can be divided into two classes‚ Thermo tropic(nematic‚ chiral nematic‚ and smectic.) and Lyotropic. Transitions to thermotropic
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To this day there have been many discussions that historians have had about who was really responsible for freeing the slaves. People have said it’s been the military‚ congress‚ african americans themselves‚ or Abraham Lincoln‚ and yes they all do take a part in helping on freeing the slaves but still question on who deserves all the credit. Abraham Lincoln had a big impact on freeing the slaves and was the one that was responsible for freeing the slaves because of the speeches he has given‚ like
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The History and Purpose of S.W.A.T. SWAT. The acronym invokes so many thoughts - danger‚ fighting crime‚ shootings‚ heavily artillery‚ TV‚ movies and more. The reality of SWAT is that it is all of that and more. When the acronym is fully expanded it translates to "special weapons and tactics" or as it was originally developed‚ "special weapons assault team". SWAT is a specialized‚ elite police unit trained to execute dangerous and specific operations that basic and even intermediate police training
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Sometimes they tend to rush recklessly into a situation without any thought for personal safety and the seriousness of the crime situation‚example‚ a police official rushes to a scene and forgets to take the proper precautions‚such as wearing a bullet-proof vest‚thereby putting themselves at greater risk of being killed.Some of the main reasons why police officials are killed are because:perpetrators kill officers to avoid being arrested‚sometimes perpetrators plan a direct attack on a specific police
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Biological Basis Genetic modification of an animal involves changing its genetic material by adding‚ modifying or eliminating certain DeoxyriboNucleic Acid or DNA sequences in a way that does not occur naturally. Its main objective is to change particular traits of an animal or present a different trait to prevent infection or boost progression. DNA is the genetic substance of an organism and carries the information for all the traits that an organism receives. Changes made in an animal’s genetic
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"Grease" is the word when it comes to my favorite musical past-time. But the question is‚ what was it about the rock and roll era in the 50s that influenced the writers of this stage musical turned movie? Also‚ how did this type of film affect the popular culture of the past and of today? That is the basis of this paper . Grease began as a five-hour long amateur show presented in a Chicago trolley barn in the summer of 1971 and eventually made Broadway. The film version of "Grease" began almost
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RICHARD L ALEXANDER “COMMUNITY ERA OF POLICING” OCTOBER 26‚ 2012 MODULE 1 ISSUE PAPER QUESTION 2 Kelling and Moore in their article “The Evolving Strategy of Policing” state that in the 1970’s police agencies entered into a new organizational strategy known as the ‘Community Era. ‘ They contend we are still in this era in 2012. They further describe this era as something “new” and “different.” It is through this strategic era and its employed tactics that police
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HEALTH AND SAFETY DOCUMENTS (GENERNAL WORK ACTIVITY ASSESSMENT) GENERAL HEALTH AND SAFETY AT WORK ASSESSMENT MANNED GUARDING FOR EVOLUTION SECURITY SERVICES LIMITED Med/Risk: Severity: 6 Likelihood: 2 TASK: (Apprehending a person suspected of an offence) Security officers have the right to make a citizen`s arrest‚ but only if an arrest able offence is actually committed. Definition of Arrest: The apprehensive
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All the world over people crave for peace. The leaders and politicians of the world are trying to achieve world peace. But many difficulties come in the way. There is fear and suspicion among nations. Russia suspects the motives of American. America likewise does not trust Russia. Pakistan says that it is afraid of India. That is way she is aiming herself with latest weapons. Some countries are very much advance in science. Their economic condition is far superior to that of others. Such countries
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Micro analysis: • Film: Blade • Year: 1998 • Director: Stephen Norrington In this micro analysis I will be analysing the film Blade which was produced in 1998 and directed by Stephen Norrington. The micro elements I am going to focus on are Mise-en-scene and cinematography. I will be analysing everything in the scene including props‚ costumes‚ facial expressions‚ gestures‚ setting‚ codes-framing to determine how it creates meaning. In cinematography I will focus on the camera
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