The ruby laser‚ first invented in 1960‚ was the world’s first laser. Created by Theodore Maiman‚ the ruby laser is composed of aluminium oxide where some of the aluminium ions have been replaced with chromium ions. These chromium ions are what gives the ruby laser its red color. Its gain medium is a cylindrical crystal. A fully reflecting mirror and a partially reflecting mirror are placed at both ends of the cylindrical crystal. A high intensity lamp is spiraled around the cylinder to produce a
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Ruby Moon by Sam Stopforth Ruby Moon written by Matt Cameron in 2003 is a presentational non-realistic‚ contemporary Australian drama with representational elements in reference to its development of characters. The style is also that of a psychodrama as it exposes the gargantuan holes in Ray and Sylvie’s state of mind as the story unfolds their psychological flaws become more and more conspicuous to the audience. It also takes on the style of an absurdist drama as this means that a realistic
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2 Ruby on Rails 2.3 Tutorial Contents 1 From zero to deploy 1.1 Introduction . . . . . . . . . . . . . . 1.1.1 Comments for various readers 1.1.2 “Scaling” Rails . . . . . . . . 1.1.3 Conventions in this book . . . 1.2 Up and running . . . . . . . . . . . . 1.2.1 Development environments . 1.2.2 Ruby‚ RubyGems‚ and Rails . 1.2.3 The first application . . . . . 1.2.4 Model-view-controller (MVC) 1.2.5 script/server . . . . . . 1.3 Version control with Git . . . . . . . . 1.3.1 Installation and
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8:00am – 8:50am Black History Assignment Ruby Bridges Born on September 8‚ 1954‚ in Tylertown‚ Mississippi‚ Ruby Bridges was 6 when she became the first African-American child to integrate a white Southern elementary school‚ having to be escorted to class by her mother and U.S. marshals due to violent mobs. Bridges’ bravery paved the way for continued Civil Rights action and she’s shared her story with future generations in educational forums. Ruby Nell Bridges was born on September 8‚ 1954
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engagement of field missions are all used to achieve these goals set by the government. The Ruby Ridge incident is a perfect example of the abuse of federal power. Randall Weaver‚ his wife Vicki‚ their two children Sara and Sammy and their adopted son Kevin Harris were not ordinary mainstream Americans. Their extremist right wing views led them to seek refuge from mainstream society in the remote hilltops of Ruby Ridge‚ near Bonners Ferry in Northwest Idaho. Their goal was to create a self-sufficient
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Ruby Bridges Shelbi- Ruby Bridges played an important part in the Civil Rights Movement. Ruby was born September 8‚ 1954 in Tylertown‚ Mississippi. A year later‚ her family moved to New Orleans‚ Louisiana. At that time‚ people wanted to keep blacks and whites separate because whites didn’t think that blacks were as good as them. For example‚ blacks and whites had separate drinking fountains‚ blacks had to sit in the back of buses‚ and blacks and whites each had their own separate schools. Ruby was
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In Spring 1960‚ Ruby Bridges was one of several African-Americans in New Orleans to take a test to determine which children would be the first to attend integrated schools. Six students were chosen‚ however‚ two students decided to stay at their old school‚ and three were transfered to Mcdonough. Ruby was the only one assigned to William Frantz. Her father initially was reluctant‚ but her mother felt strongly that the move was needed not only to give her own daughter a better education‚ but to "take
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What are the differences between SQL and RUBY? • Answerer 1 The best way to approach SQL language is to think of that S in its name: It means Structured Quarry Language. Early on‚ you’re going to get a lot of error messages as you try to figure out the proper order of a SQL statement‚ but at least there’s a (usually) consistent pattern to memorize. We’ll start with the simplest building block of a statement and gradually add on to it. You can practice this next section in
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Ruby is a dynamic‚ open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. Ruby is a language of careful balance. Ruby is a pure object-oriented programming language. Ruby is simple in appearance‚ but is very complex inside‚ just like our human body. In Ruby‚ everything is an object. Every bit of information and code can be given their own properties and actions. Ruby has features that are similar to those
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Programming Programming Logic and Design‚ 6th Edition Chapter 3 Exercises 1. In Figure 3-10 the process of buying and planting flowers in the spring was shown using the same structures as the generic example in Figure 3-9. Describe some other process with which you are familiar using exactly the same logic. Answer: Student answers will vary widely. They should come up with processes that fit the generic logic shown in Figure 3-9. Some examples could include: making a dentist appointment
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