Computers - 3202 Words

Research Paper Wireless Electricity Imagine the following scenario unfolding. Nick has had a long day at work on Friday and is ready to go home. The whole twenty minute drive home all he can think about is how excited he is to take his family on a weekend trip to the beach. As he pulls into his driveway, he notices that the front light isn’t on like usual, but the fact is quickly lost in his mind as a thousand other thoughts are clamoring for his attention. Just as he steps through the threshold of the door, his phone goes off. It’s his wife. Something’s come up, their daughter isn’t feeling well. She tells Nick that they are at the local hospital and is about to tell him to pick something important up at the pharmacy when†¦show more content†¦Although the The Tesla coil can generate wireless electricity, the strong field damages radios, TV, and even pacemakers, hence their limited use. Today, the Tesla coils are mostly used for scientific experiments, x-ray generation, military experiments, lighting, and individual use (Spahiu). The next major breakthrough in wireless energy transfer came more 60 years later and in a completely different method than Tesla’s coils. In 1964 on CBS news, William C. Brown demonstrated a helicopter that was powered wirelessly by 2.45 GHz microwaves. The helicopter was comprised of a propeller attached to a rectena which directly converted the incident microwaves into DC power, keeping the helicopter aloft for 10 hours (William). In 1975, as technical director of a JPL/Raytheon program, Brown beamed power to a rectenna a mile away and converted it to DC power at an efficiency of 54% (William). Microwaves have proved themselves as a legitimate way to move energy wirelessly, and it is a technology still being developed today. The applications of microwaves I will discuss later. Laser beams have been used as a means for transmitting energy wirelessly since 1960. A laser beam system would work in a simi lar method as a microwave unit would. Laser beams are still being developed as a viable option for wireless electricity. Only recently has been theShow MoreRelatedThe Computer Of Computer Technology901 Words   |  4 Pagesexponential. The introduction of the personal computer (PC) was the true catalyst for the growth in popularity of computer technology. With this introduction also came the growth in popularity of being a computer scientist. The code used to write the software for these personal computers was brand new and easy to use. What made it easy to use was the fact that the computer code for the PC was very similar to the English language; whereas, previous computers used punch cards as a way to program them.Read MoreComputers And Music : Computers1612 Words   |  7 Pages Computers and Music Computers and Music James C. 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For the company, see  Computer Technology Limited. Computer | | A  computer  is a general purpose device that can be  programmed  to carry out a finite set of arithmetic or logical operations. Since a sequence of operations can be readily changed, the computer can solveRead MoreComputer2920 Words   |  12 PagesCOMPUTER HARDWARE AND COMPONENTS COMPUTER HARDWARE AND COMPONENTS Computer Basics     Ã‚   Equipment (Hardware) COMPUTER | A machine that processes information and performs computations. | Tower or Desktop | The box or case that holds the parts that make up a computer:   CPU, hard disk drive, floppy drive, memory chips, power supply, interface cards, etc. Click here to learn more. | |   Ã‚  Ã‚  Ã‚   CPU | Central Processing Unit, or brains of the computer | Monitor | An output display device (looksRead MoreComputer Engineering : A Computer1340 Words   |  6 Pages2014 Computer Engineering INTRODUCTION Looking through the various topics of which to write a paper on, I came across computer engineering. For as long as I can remember I have had a fascination with computers. When I was seven years old, I came across a cube shaped object at my grandparent’s house. 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Jamal First Year College March 2013 ACKNOWLEGDMENT I express my deepest gratitude to my family especially my mother who helps me with the grammar, invaluable guidance and blessings. I am very grateful to my English teacher Sir Han Uy for providing us with an environment to complete this project. I  would  like  to  thank  myRead MoreHuman Computer Interaction : Computer Interface1250 Words   |  5 PagesHuman – Computer Interface The Human-Computer Interaction, as defined by Margret Rouse, â€Å"HCI (human-computer interaction) is the study of how people interact with computers and to what extent computers are or are not developed for successful interaction with human beings (Rouse. 2005).† As the need for computer interaction increased, better means of interacting with computer software became a necessity. The original human-computer interaction involved punch cards, and switches, then programmers had