history of motion pictures The purpose of this lecture: 1. to provide a brief overview of the development of motion pictures 2. with an emphasis on the economic culture that developed historically. 3. This has meant an emphasis on profits and 4. an avoidance of controversy. I. Early moving pictures Note the term used in the early days of the industry: Moving pictures. Pictures that movied. From the 1850s on‚ there had been experimentation by photographers and others in reproducing human motion. First
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EXPERIMENT 1: REACTIONS OF ENOLATE IONS WITH CARBONYL GROUPS Aims In this experiment we used two techniques for the reactions of enolate ions with carbonyl groups. One technique used was Doebner reaction and the other technique used was Claisen-Schmidt reaction. Therefore the aim of this experiment is to synthesize trans p-methoxycinnamic acid and to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde. The products would be recrystallized using ethanol
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Name __ Projectile Motion Go to http://phet.colorado.edu/simulations/sims.php?sim=Projectile_Motion and click on Run Now. Pre Lab Reflections: What are the What forces are at play on a body under fall? Gravity plays a part in force on the weight of your body. Make a prediction of which angle results in maximum range. I predict that the 45 degrees will result in max range. Activity: Open the sim‚ projectile motion. Familiarize yourself with the variables shown there. Ensure
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Human Rights Law Essay The European Convention for the Protection of Human Rights and Fundamental Freedoms (hereafter referred to as “ECHR”) sets out rights and freedoms for the members of Council of Europe and consists of 59 articles.[1] Article 2 -The Right to Life[2] is considered as a very important right out of all the rights. For example‚ in the case‚ Pretty v. the United Kingdom[3]‚ the court stated that without life‚ one cannot enjoy any other rights or freedoms set out in the ECHR. The
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Partners: Kayla Stephens‚ Robin Poole‚ Megan McIlvoy Grade: Instructor: JPS Name: Lab Group 4 Date: 10/26/2011 Partners: Kayla Stephens‚ Robin Poole‚ Megan McIlvoy Grade: Instructor: JPS Physics I Laboratory Worksheet Lab 4: Projectile Motion Objectives: Using a projectile gun on an incline plane‚ calculate the velocity of the steel ball at ten different distances‚ then find the average velocity. In order to find the velocity of the steel ball two different equations are needed.
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Experiment 2: IDENTIFICATION OF UNKNOWNS BY TLC AND MP IN COMBINATION Introduction: Thin layer chromatography (TLC) is one of the most valuable techniques in organic chemistry. This is a best method of separating and identifying mixtures of two or more compounds. The separation is accomplished by the distribution of the mixture between two phases: one that is stationary and one that is moving or mobile. Chromatography works on the principle that different compounds will have different
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blue colored balloon - Half a cup of water Procedure: 1. For this experiment‚ the independent variable is whether the balloon is filled with water or not. The dependent variable is what happens to the balloon when it is placed above the lit candle. This is determined by observing the balloon. The constants (control variables) are how much the balloon is inflated and the amount of water in the balloon. 2. Inflate the yellow colored balloon and tie it up. 3. Pour half a cup
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Kyle Brooks 11/13/12 Angry Birds Projectile Motion Lab How to Perfect Distances Of Birds using Launching Angles Purpose: The Purpose of this Lab is to discover which launch angles give the birds the longest and shortest time in flight. Hypothesis: I believe that the bird will launch the farthest at the 45 degree angle because that’s exactly half of 90 degrees which will give it the maximum height in comparison to length. I also think that the bird will launch the shortest at 0 degrees
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Assignment 2 – Human Cognition and Information Processing Due: On Collab: January 12‚ 2013 by 8:00 AM‚ 50 possible points 1. Name and describe one attention phenomenon (2 points) Selective attention: Only paying attention to desired stimuli‚ ignoring the rest Example: Cocktail party effects - Hearing your name in a noisy party (pop out effect) 2. Why should you avoid and when should you use ALL CAPS? (6 points) It’s harder to distinguish all caps versus lower case. Using all caps violates
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process of distillation. Distillation is the separation of volatile substances mixed with nonvolatile substances by boiling the mixture to alter the phase of the volatile substance. The researchers used the simple distillation set up to conduct the experiment. 25 ml of The Bar Vodka was used and 7 ml of distillate was collected before a temperature of 95 degrees Celsius was reached. Collected distillate was then subjected to a flammability test to confirm ethanol content. The percent ethanol was computed
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