The early years of 20th century saw the first attempts at wireless and mobile telephony‚ In 1908‚ U.S. patent 887‚357 for a wireless telephone was issued to Nathan B. Stubblefield of Murray‚ Kentucky. He applied this patent to cave radio telephones and not directly to cellular telephony as the term is currently understood. Two years later Lars Magnus Ericsson installed a telephone in his car. While travelling across the country we would stop at a place where telephone lines were accessible and using
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Voting helps shape your community! I voted yesterday to have my tax dollars help support the local science museum here. Earlier this year‚ I participated in a petition campaign to put our local government’s spending to a vote. They were passing a indebt to my grandchildren to pay for this year’s renovations of the government office buildings downtown without giving us a say in it. We got enough signatures to allow for a vote and We The People of my little city voted it down. To make changes
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Chips (2g per test) Large Measuring Cylinder Plastic Bowl (3/4 full of water) Rubber Tubing Glass Conical Flask Stopwatch Method The first thing that we did was fill the plastic bowl with water. We only filled it up 3/4 of the way because otherwise the water displaced into the bowl during the experiment would cause it to overflow onto the floor and work surfaces. This would create a safety hazard‚ maybe causing slipping. Then we weighed out the marble chips. We used 2g of marble
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was reached between 2g‚ and 4g of substrate C) The reaction grows in productivity with an increase in concentration up to the point of saturation which in this case is between 2g‚ and 4g of substrate. Increasing the amount of substrate beyond that level has no added effect. 2) What is the maximum initial reaction rate for this enzyme at pH 7? The maximum initial reaction rate of this enzyme at pH7 is 350 X 10>6 per minute of product formed with a saturation of between 2g and 4g of substrate
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CYBER CRIME Introduction: cybercrime‚ also called computer crime‚ the use of a computer as an instrument to further illegal ends‚ such as committing fraud‚ trafficking in child pornography and intellectual property‚ stealing identities‚ or violating privacy. Cybercrime‚ especially through the Internet‚ has grown in importance as the computer has become central to commerce‚ entertainment‚ and Because of the early and widespread adoption of computers and the Internet in the United States‚ most
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Cobalt(III)penta-amine‚ chloride was dissolved into a 15mL of water with ammonia (5mL) on a 100mL beaker. * The complex solution was boiled completely‚ filtered‚ cooled and acidify with diluted HCl‚ (orange litmus paper was used). * NaNO2 (2g) was added and heat to the solution until the red precipitation get dissolve. * The solution was cooled and concentrated HCl (20mL) was added carefully. * The solution was cooled and the yellow or orange-brown crystals were filtered‚ washed
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The Nokia Revolution The story of an extraordinary company that transformed an industry Dan Steinbock Presentation by: Selina Beelaerts & Meena Mallipeddi 1 *Note: It should be understood that the company now known as “Nokia” did not exist in its present form until the 1990s. However‚ for simplicity’s sake‚ we will be referring to the predecessor companies as “Nokia” as well. Outline • Introduction • Background: Nordic Cooperation & Nokia’s Postwar Consolidation • Nordic Cooperation
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is to measure if differing amounts of potassium perchlorate‚ KCIO4‚ mixed with shotgun powder has an effect on burn rate. The experiment was videotaped and the duration of burn time for each amount used was recorded. KClO4‚ amounts ranging from .2g to 2g‚ were added to 4g of shotgun powder. A steel pipe that is ½ inch wide and 6 inch‚ which is welded vertically to a steel plate base was used for confinement. Ignition occurred from the top down. The hypothesis that was accepted is that the concentration
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political scandals are1971 Nagarwala scandal‚ Bitumen scam Churhat lottery scam‚ Tansi land deal and Urea scam. Between 1980and 2000‚ there were some major corruptions done by politicians and the impact of these scams were so powerful that several governments collapsed due to it. Some of them are Bofors Scandal‚ Telecom scam‚ JMM Bribery Scandal‚ Fodder scam‚ St Kitts case and Hawala scandal. Rajiv Gandhi’s “Mr. Clean” Image got tarnished in the Bofors scam and he lost 1989 elections. Though‚ P.V Narasingh
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about 24 hours then remove each one with a spoon carefully. Now measure their height‚ width and weight balance again. Data Collection: BEFORE Salt water gummy Sugar water gummy Tap water gummy Height 2cm 2cm 2cm Width 1cm 1cm 1cm Weight balance 2g 2g 2g AFTER Salt water gummy Sugar water gummy Tap water gummy Height 1.5cm 3cm 4cm Width .7cm 2cm 2.5cm Weight balance 1g 3.5g 7g Representing Data: Conclusion: My data clearly shows the differences between the height‚ width‚ and weight balance
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