but for the way their culture feels about itself. For Native Americans‚ these stories concern the universe and the spiritual domain. They are didactic because they teach the history of the people‚ how to live‚ and how to survive. According to Paula Gunn Allen‚ “myth is a story of vision;… a vehicle of transmission of sharing and renewal.” It connects the past with the present. Myths “show us that it is possible to relate ourselves to the grand and mysterious universe that surrounds and informs our
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Frederick Gunn: Confidence between Boys and their Teachers (1870) Rough Draft Frederick Gunn was a firm believer that confidence was essential to any school. He thought that if the teachers and the students had confidence in each other‚ they would be more successful throughout their schooling careers. In Frederick Gunn: Confidence between Boys and their Teachers (1870) it says that‚ Gunn would want each educator to be trustworthy towards each student‚ be considerate and confident‚ and teach who
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that if I would rely on anyone for money‚ insurance‚ education‚ opinions‚ advice‚ etc. that it would only put a damper on my being. She wanted me to take full advantage of what our country offers to women‚ and that is being equal to a man. Paula Gunn Allen said “There are battered children and neglected children‚ and there are battered wives and women who have been raped by Indian men.” where she is from. We should be grateful that The United States has laws for the power and protection of women
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Transmitters Light emitting diode (LED) in electronics a semiconductor device that emits infrared or visible light when charged with an electric current. Visible LEDs are used in many electronic devices as indicator lamps‚ in automobiles as rear-window and brake lights‚ and on billboards and signs as alphanumeric displays or even full-color posters. Infrared LEDs are employed in autofocus cameras and television remote controls and also as light sources in fiber-optic telecommunication systems.
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calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials: Light Emitting Diodes (red‚ green‚ blue) LEDs and circuits (from previous lab) Pipette (or eyedropper) Rubbing alcohol Index card 9-volt battery Flashlight Stopwatch Small cardboard box (shoe box) Procedure: 1. Create a location for applying light from the
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DESIGN AND CONSTRUCTION OF PROGRAMMABLE ELECTRIC COOKER BY AGBONTA DANIEL OJIEH ENG0409334 DEPARTMENT OF ELECTRICAL/ELECTRONICS AND COMPUTER ENGINEERING UNIVERSITY OF BENIN BENIN CITY OCTOBER‚ 2012 DESIGN AND CONSTRUCTION OF PROGRAMMABLE ELECTRIC COOKER BY AGBONTA DANIEL OJIEH ENG0409334 A PROJECT SUBMITTED IN THE PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF BACHELOR OF ENGINEERING (B.ENG) DEGREE IN DEPARTMENT OF ELECTRICAL/ELECTRONICS AND COMPUTER ENGINEERING
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A light-emitting diode (LED) is a semiconductor light source.[6] LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Appearing as practical electronic components in 1962‚[7] early LEDs emitted low-intensity red light‚ but modern versions are available across the visible‚ ultraviolet‚ and infrared wavelengths‚ with very high brightness. When a light-emitting diode is switched on‚ electrons are able to recombine with holes within the device‚ releasing energy
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Likewise‚ the tail lamp is replaced with a 10mm red LED. The battery pack is a combination of five 1.2V‚ 600mAh Ni-Cd cells‚ connected in series to produce an output of 6V DC. When you ride the bicycle‚ the dynamo touching the wheel spins around and diodes D1‚ D2‚ D3 and D4 form a bridge via which buffer capacitor C1 charges. When the dynamo voltage is sufficiently high‚ the low-current 5V relay energises and the DC supply available across C1 is routed to the head lamp (LED1) driver circuit (and to
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Automatic Street Light Control INTRODUCTION TO EMBEDDED SYSTEMS An embedded system can be defined as a computing device that does a specific focused job. Appliances such as the air-conditioner‚ VCD player‚ DVD player‚ printer‚ fax machine‚ mobile phone etc. are examples of embedded systems. Each of these appliances will have a processor and special hardware to meet the specific requirement of the application along with the embedded software that is executed
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building communications can be built using the following three basic component. A light emitting element. 1. A light emitting element‚ which could be a laser diode or light emitting diode. 2. Transmission media such as optical fiber cable or free space. 3. A light receiving element‚ which could employ avalanche photo-diode‚ PIN photo-diode or any other light sensors like LDR. Since the communications performance of the system depends on the overall characteristics of the above elements‚ the characteristics
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