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The History of the Telephone
STUDENT VERSION THE HISTORY OF THE TELEPHONE Activity Items There are no separate items for this activity. Student Learning Objectives • I will be able to name who invented the telephone and say why that invention is important. • I will be able to explain how phones have changed over time. THE HISTORY OF THE TELEPHONE STUDENT VERSION NAME: DATE: The telephone is one of the most important inventions. It lets people talk to each other at the same time across long distances, changing the way we communicate today. Alexander Graham Bell, the inventor of the telephone CENSUS.GOV/SCHOOLS HISTORY | PAGE 1 THE HISTORY OF THE TELEPHONE STUDENT VERSION 1. Like many inventions, the telephone was likely thought of many years before it was invented, and by many people. But it wasn’t until 1876 when a man named Alexander Graham Bell, pictured on the previous page, patented the telephone and was allowed to start selling it. Can you guess what “patented” means? CENSUS.GOV/SCHOOLS HISTORY | PAGE 2 THE HISTORY OF THE TELEPHONE STUDENT VERSION 2. The picture below, from over 100 years ago, shows Alexander Graham Bell using one of his first telephones to make a call from New York to Chicago. Alexander Graham Bell making a telephone call from New York to Chicago in 1892 Why do you think it was important that someone in New York could use the telephone to talk to someone in Chicago? CENSUS.GOV/SCHOOLS HISTORY | PAGE 3 THE HISTORY OF THE TELEPHONE STUDENT VERSION 3. Today, millions of people make phone calls each day, and many people have a cellphone. -
California Supreme Court Denies Review of Lucent, BOE Addresses
External Multistate Tax Alert May 5, 2016 California Supreme Court denies review of Lucent, BOE addresses refunds Overview On January 20, 2016, the California Supreme Court denied the California State Board of Equalization’s (BOE) petition for review1 of Lucent Technologies, Inc. v. Board of Equalization,2 a California Court of Appeals ruling involving the sales and use tax treatment of switch-specific software programs. In response to the California Supreme Court’s denial of review, Randy Ferris, Chief Counsel of the California State BOE, issued a Chief Counsel Memorandum (Chief Counsel Memo) discussing the following topics: (1) the BOE’s interpretation of the holdings set forth in Nortel3 and Lucent, as well as their application under three different scenarios; (2) the BOE Legal Department’s recommended approach to implementing the Lucent holding; and (3) the BOE’s potential approach to addressing the California sales and use tax treatment for embedded and pre- loaded software under Lucent.4 Moreover, during a BOE meeting held on March 30, 2016, the BOE heard oral testimony from the BOE Legal Department Staff regarding the BOE Legal Department’s recommended approach to implementing the Lucent holding (BOE Meeting). This Tax Alert incorporates information from our previous Alert involving the Lucent case,5 summarizes the recent Chief Counsel Memo and BOE Meeting, as well as provides some related taxpayer considerations. Summary of Chief Counsel Memo In accordance with the holdings set forth in both Nortel and Lucent, the Chief Counsel Memo outlines three different factual scenarios, along with the BOE’s recommended sales and use tax treatment under each scenario. -
View Sample Pages
Ebook Code REAU5044 SAMPLE Contents Teachers' Notes 4 Comprehension Activity 1 26 Curriculum Links 5 Comprehension Activity 2 27 Flights into Space 1 28 SECTION 1: LAND Flights into Space 2 29 Early Car Design Space Technology 30 The Innovations of Otto, Langen and Wankel 7 Space Activity 1 31 Comprehension Activity 8 Space Activity 2 32 Creative Activity 9 Space Activity 3 33 Modern Car Design Top Secret Space Plane 34 Piston Engines 10 Piston Engines Activity 11 SECTION 3: SEA Gears 12 Under the Water Gears Template 13 Submarines 36 Technology and the Environment 14 Submarine Activity 37 Technology and the Environment Activity 15 Diesel Electric and Nuclear Submarines 1 38 Diesel Electric and Nuclear Submarines 2 39 Cars of the Future Comparing Early and Modern Submarines 40 Future Designs 16 Comparing Early and Modern Submarines Future Designs Activity 17 Activity 41 Future Designs 2 18 Life in a Modern Submarine 1 42 Future Designs Activity 2 19 Life in a Modern Submarine 2 43 Nuclear Submarines and the Environment 44 SECTION 2: AIR SAMPLEOther Submarines 45 Aircraft Design Submarine Stories 46 Aerodynamic Forces 22 Build a Submarine 47 Aerodynamic Forces Activity 23 Examining Technological Leaps Answers 48 The Technological Innovations of the Wright Brothers 24 The Flyer and The Modern Day Airbus 25 3 Teachers’ Notes Fantastic Inventions examines how past, current The Air Section focuses on the Wright brothers’ and future inventions consistently affect our early plane. This method of transport is modes of transport, our lifestyles and the compared to the Boeing 747 and the new environment. -
Letter from Alexander Graham Bell to Alexander Melville Bell, February 26, 1880, with Transcript
Library of Congress Letter from Alexander Graham Bell to Alexander Melville Bell, February 26, 1880, with transcript ALEXANDER GRAHAM BELL TO HIS FATHER A. MELVILLE BELL 904 14th Street, N. W., Washington, D. C. Feb. 26th, 1880. Dear Papa: I have just written to Mamma about Mabel's baby and I now write to you about my own! Only think! — Two babies in one week! The first born at 904 14th Street — on the fifteenth inst., the other at my laboratory on the nineteenth. Both strong vigorous healthy young things and both destined I trust to grow into something great in the future. Mabel's baby was light enough at birth but mine was LIGHT ITSELF! Mabel's baby screamed inarticulately but mine spoke with distinct enunciation from the first. I have heard articulate speech produced by sunlight! I have heard a ray of the sun laugh and cough and sing! The dream of the past year has become a reality — the “ Photophone ” is an accomplished fact. I am not prepared at present to go into particulars and can only say that with Mr. Tainter's assistance I have succeeded in preparing crystalline selenium of so low a resistance and so sensitive to light that we have been enabled to perceive variations of light as sounds in the telephone. In this way I have been able to hear a shadow, and I have even perceived by ear the passage of a cloud across the sun's disk. Can Imagination picture what the future of this invention is to be! I dream of so many important and wonderful applications that I cannot bring myself to make known my discovery — until I have demonstrated the practicability of some of these schemes. -
Ada Lovelace Katherine Johnson
Who is thought to be the first computer Ada Lovelace programmer? Henrietta Swan Leavitt’s discovery of cepheid variable the expansion of the stars was used as evidence to universe prove what? What was the name given to Refrigerator Ladies or ENIAC the women who worked as girls, because they worked on computer programmers during the ENIAC computer. But WWII for the U.S. military? they were actually engineers and computer programmers. Because of this person, many key space missions were successful for the United Katherine Johnson States. Prioritizing tasks and monitoring call center activity Erna Schneider Hoover’s are the components of what telephone switching system system? In addition to pioneering computer programming languages, this person spent Grace Hopper their career in the United States Navy. Today, we have microprocessors because of Lynn Conway this person’s book on VLSI design. The Roomba, a small automated vacuum cleaner, a small multi-rotor drone is an example of what? In addition to being a remarkable inventor, this person also starred in films such as, Algiers (1938), Come Live With Me (1941), and Hedy Lamarr Samson and Delilah (1949). Thelma Estrin introduced the use of computer technology into what field? biomedical research Grace Hopper was the first person to do this when she “debug” a computer removed a moth from the Harvard Mark Icomputer. What was Erna Schneider given for her computerized the first patent for telephone switching system? computer software You can watch netflix on your laptop using an internet Radia Perlman connection because of this person’s invention of STP. -
De Telefoon Van Reis
De Telefoon van Reis 05-01-2016 Ontwerpopdracht profielwerkstuk van: Thomas Aleva & Nwankwo Hogervorst Inhoudsopgave Inleiding ........................................................................................................................... 3 Onderzoeksvraag ............................................................................................................................. 3 Johann Philipp Reis........................................................................................................................... 3 Globale werking van de telefoon van Reis ....................................................................................... 3 Globale werking van de telefoon van Bell ....................................................................................... 4 Het ontwerp ..................................................................................................................... 4 Ontwerpcyclus ................................................................................................................................. 5 Programma van eisen: ..................................................................................................................... 5 Deeloplossingen ............................................................................................................................... 6 Ontwerpvoorstel .............................................................................................................................. 6 Benodigdheden ............................................................................................................................... -
Alexander Graham Bell Sample
TM For action-packed nonfiction, turn to Capstone’s Graphic Library. These vivid, dynamic books present high-interest nonfiction in graphic novel format. An additional information TM section provides key facts for further understanding. TM world-changing eventss unfold before your eye A LEXANDER in the inventions and . discovery set TM Check out these other y titles: G inventions and discover RAHAM Alexander Graham Bell and the Telephone B Hedy Lamarr and a Secret Communication System TM ELL Henry Ford and the Model T Jake Burton Carpenter and the Snowboard AND Johann Gutenberg and the Printing Press THE Jonas Salk and the Polio Vaccine TELEPHONE TELEPHONE Levi Strauss and Blue Jeans TELEPHONE Madam C. J. Walker and New Cosmetics Marie Curie and Radioactivity Philo Farnsworth and the Television Steve Jobs, Steve Wozniak, and the Personal Computer Thomas Edison and the Lightbulb TM RL: 4 IL: 3-9 ISBN-13: 978-0-7368-6478-7 Fandel ISBN-10: 0-7368-6478-4 /Tucker www.capstonepress.com by Jennifer Fandel Reinforced Library Binding illustrated by Keith Tucker TM by Jennifer Fandel illustrated by Keith Tucker Consultant: Michael E. Gorman Professor of Science, Technology, and Society University of Virginia Charlottesville, Virginia Mankato, Minnesota Graphic Library is published by Capstone Press, 151 Good Counsel Drive, P.O. Box 669, Mankato, Minnesota 56002. www.capstonepress.com Copyright © 2007 by Capstone Press. All rights reserved. No part of this publication may be reproduced in whole or in part, or stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission of the publisher. -
Thomas Edison Alexander Graham Bell
The Inventing Game Cut out the images. Cut out the name of the inventor separately. Read out the text as a clue. Can people match the correct name and image? THOMAS EDISON Clue The first great invention developed by (don’t say the name) Thomas Edison was the tin foil phonograph. A prolific producer, Edison is also known for his work with light bulbs, electricity, film and audio devices, and much more. ALEXANDER GRAHAM BELL Clue In 1876, at the age of 29, (don’t say the name) Alexander Graham Bell invented his telephone. Among one of his first innovations after the telephone was the "photophone," a device that enabled sound to be transmitted on a beam of light. GEORGE WASHINGTON CARVER Clue (Don’t say the name) George Washington Carver was an agricultural chemist who invented 300 uses for peanuts and hundreds of more uses for soybeans, pecans, and sweet potatoes. His contributions chang ed the history of agriculture in the south. ELI WHITNEY Clue (Don’t say the name) Eli Whitney invented the cotton gin in 1794. The cotton gin is a machine that separates seeds, hulls, and other unwanted materials from cotton after it has been picked. JOHANNES GUTTENBERG Clue (don’t say the name) Johannes Gutenberg was a German goldsmith and inventor best known for the Gutenberg press, an innovative printing machine that used movable type. JOHN LOGIE BAIRD Clue (don’t say the name) John Logie Baird is remembered as the inventor of mechanical television (an earlier version of television). Baird also patented inventions related to radar and fibre optics. -
The Great Telecom Meltdown for a Listing of Recent Titles in the Artech House Telecommunications Library, Turn to the Back of This Book
The Great Telecom Meltdown For a listing of recent titles in the Artech House Telecommunications Library, turn to the back of this book. The Great Telecom Meltdown Fred R. Goldstein a r techhouse. com Library of Congress Cataloging-in-Publication Data A catalog record for this book is available from the U.S. Library of Congress. British Library Cataloguing in Publication Data Goldstein, Fred R. The great telecom meltdown.—(Artech House telecommunications Library) 1. Telecommunication—History 2. Telecommunciation—Technological innovations— History 3. Telecommunication—Finance—History I. Title 384’.09 ISBN 1-58053-939-4 Cover design by Leslie Genser © 2005 ARTECH HOUSE, INC. 685 Canton Street Norwood, MA 02062 All rights reserved. Printed and bound in the United States of America. No part of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without permission in writing from the publisher. All terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Artech House cannot attest to the accuracy of this information. Use of a term in this book should not be regarded as affecting the validity of any trademark or service mark. International Standard Book Number: 1-58053-939-4 10987654321 Contents ix Hybrid Fiber-Coax (HFC) Gave Cable Providers an Advantage on “Triple Play” 122 RBOCs Took the Threat Seriously 123 Hybrid Fiber-Coax Is Developed 123 Cable Modems -
Alexander Graham Bell 1847-1922
NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA BIOGRAPHICAL MEMOIRS VOLUME XXIII FIRST MEMOIR BIOGRAPHICAL MEMOIR OF ALEXANDER GRAHAM BELL 1847-1922 BY HAROLD S. OSBORNE PRESENTED TO THE ACADEMY AT THE ANNUAL MEETING, 1943 It was the intention that this Biographical Memoir would be written jointly by the present author and the late Dr. Bancroft Gherardi. The scope of the memoir and plan of work were laid out in cooperation with him, but Dr. Gherardi's untimely death prevented the proposed collaboration in writing the text. The author expresses his appreciation also of the help of members of the Bell family, particularly Dr. Gilbert Grosvenor, and of Mr. R. T. Barrett and Mr. A. M. Dowling of the American Telephone & Telegraph Company staff. The courtesy of these gentlemen has included, in addition to other help, making available to the author historic documents relating to the life of Alexander Graham Bell in the files of the National Geographic Society and in the Historical Museum of the American Telephone and Telegraph Company. ALEXANDER GRAHAM BELL 1847-1922 BY HAROLD S. OSBORNE Alexander Graham Bell—teacher, scientist, inventor, gentle- man—was one whose life was devoted to the benefit of mankind with unusual success. Known throughout the world as the inventor of the telephone, he made also other inventions and scientific discoveries of first importance, greatly advanced the methods and practices for teaching the deaf and came to be admired and loved throughout the world for his accuracy of thought and expression, his rigid code of honor, punctilious courtesy, and unfailing generosity in helping others. -
Early Forms of Long-Distance Communication
EARLY FORMS OF LONG-DISTANCE COMMUNICATION In this material, you will learn about Telegraphy, Telephone and GSM architecture Before the development of the electric telegraph in the 19th century revolutionized how information was transmitted across long distances, ancient civilizations such as those in China, Egypt and Greece used drumbeats or smoke signals to exchange information between far-flung points. However, such methods were limited by the weather and the need for an uninterrupted line of sight between receptor points. These limitations also lessened the effectiveness of the semaphore, a modern precursor to the electric telegraph. Developed in the early 1790s, the semaphore consisted of a series of hilltop stations that each had large movable arms to signal letters and numbers and two telescopes with which to see the other stations. Like ancient smoke signals, the semaphore was susceptible to weather and other factors that hindered visibility. A different method of transmitting information was needed to make regular and reliable long-distance communication workable. Did You Know? SOS, the internationally recognized distress signal, does not stand for any particular words. Instead, the letters were chosen because they are easy to transmit in Morse code: "S" is three dots, and "O" is three dashes. The Electric Telegraph In the early 19th century, two developments in the field of electricity opened the door to the production of the electric telegraph. First, in 1800, the Italian physicist Alessandro Volta (1745-1827) invented the battery, which reliably stored an electric current and allowed the current to be used in a controlled environment. Second, in 1820, the Danish physicist Hans Christian Oersted (1777-1851) demonstrated the connection between electricity and magnetism by deflecting a magnetic needle with an electric current. -
Local-Loop and DSL REFERENCE GUIDE Table of Contents
Local-Loop and DSL REFERENCE GUIDE Table of Contents Prologue ............................................................................ 2 2.3.9.3 REIN ....................................................................32 2.3.9.4 SHINE..................................................................32 1. Introduction ................................................................. 5 2.3.9.5 PEIN ....................................................................32 2. What is DSL? ................................................................ 6 2.3.10 Bonding...............................................................33 2.3.11 Vectoring ............................................................35 2.1 Pre-DSL Delivery of Data ........................................................... 6 2.3.12 G.Fast ..................................................................36 2.1.1 Dial-Up ................................................................................ 6 2.1.2 ISDN .................................................................................... 7 3. DSL Deployment Issues ...........................................38 2.2 xDSL Overview ............................................................................. 8 3.1 Determining the Nature of the Problem ...............................39 2.3 DSL In-Depth .............................................................................12 3.2 Performing a Visual Inspection ..............................................44 2.3.1 ISDN ..................................................................................13