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Heather Purpera

Molecular Expressions: History of the Compact Disc - 0 views

  • History of the Compact Disc Starting in the mid 1980's, compact discs (CD) began to take over both the audio and computer program market. Much of this can be attributed to a general acceptance of certain specifications regarding compact discs, known as the "Color Books." Originally designed and developed by both Sony and Phillips, the concept of the Color Books was patented and standards were developed. These are a collection of five books that describe the specifications and standards CD technology follows. This led eventually to the current audio CD technology (Figure 1).
  • The first book, written in 1980, was named the "Red Book" and outlined the specifications regarding CD Digital Audio. This was the common CD used in stereo systems, and was capable of holding up to 99 tracks, for a total of roughly 74 minutes of audio information.
  • The second book was written in 1983 and is known as the "Yellow Book", comprising the basis of the Compact Disc - Read Only Memory (CD-ROM). This became the standard for computer-based compact discs, and meant that any computer system that had a CD-ROM drive, could read this format. It is capable of holding around 650 million bytes of data. CD-R's were developed under the same standards, but the actual CDs were comprised of different material. While the generic CD-ROM discs uses aluminum in their construction, the CD-R discs uses gold, which makes color a distinguishing feature.
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  • The third book, known as the "Green Book," covered CD-Interactive technology, is used to synchronize both audio and data tracks on a CD-ROM in order to provide things such as full motion video combined with interactivity. Published in 1986, Phillips Interactive primarily marketed this technology.
  • The fourth, the "Orange Book", is merely an outline for the coming generation of writable CD technology, primarily CD-E. (Compact Disc - Erasable) This is meant to replace, or be used in the same matter as floppy discs, only providing a much larger medium to store data. The technology is available today, but know otherwise as CD-RW. (Compact Disc - ReWritable) Much like a floppy disc or hard drive, data can be written and rewritten to these discs, allowing for a very large yet portable medium of data storage.
  • The last book known as the "White Book," is a plan for the future of compact disc technology. It outlines what is known as video compact discs, and contains the standard of data compression that is used to display large amounts of audio and video on a home computer. This concept more or less morphed into what is now known as DVD (Digital Video Drives,) a technology produced primarily by Sony, Phillips and Toshiba. While not compatible with the standard CD-ROM drives used in computers, it did achieve what the White Book had outlined for the future.
  • While an overview of how compact disc technology developed and became so popular is presented, it fails to explain how the technology works. There are, however, relatively simple processes accounting for how a compact disc is read and how the CD-ROM drive translates that into data your computer can understand. First is the construction of the compact disc. It is built from a layer of polycarbonate plastic, covered in a color-dyed layer of aluminum, and followed by a protective layer of lacquer. Figure 2 shows a cross section of a compact disc, illustrating the different layers and providing a general idea behind its construction.
  • When a compact disc is written to, tiny rivets are made in the surface of the disc called stripes or pits. The areas between these pits are called lands, which together make up a pattern where data is written. From there, a CD-ROM drive uses a read head to interpret these patterns, which is done by focusing a laser beam on the surface of the disc. While the CD is spinning, this laser comes in contact with the lands and pits. If the laser comes in contact with a pit, the light is reflected off in all directions. However, if the light comes in contact with a land, it reflects back into the read head, triggering an electric impulse. Figure 3 illustrates the difference between a land and a pit, and how the light is reflected in each situation.
  • A pattern is developed from these electric impulses, and the CD-ROM drive returns this pattern to the computer as a string of 1s and 0s. This binary or digital data is in turn interpreted by the software controlling the CD-ROM drive, and then translated into something the computer can use, be it an executable program, an image, or a sound file.
anthony tarango

Willis Haviland Carrier: Student Research Center - powered by EBSCOhost - 0 views

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    a great biography of the life of Willis Carrier
Mary Gilliam

The ADVENTISTS - 0 views

  • The Sanitarium continued to grow in fame until the Great Depression, when economic hardtimes forced Kellogg to sell it. He eventually opened another Sanitarium in Florida, but it never achieved the fame of the Battle Creek Sanitarium.
  •  In 1900 John Harvey Kellogg wrote The Living Temple, his attempt to correlate physiology and health care with St. Paul’s admonission, “Know you not that your body is the temple of the Holy Ghost?” Several Adventist leaders, including Ellen White, disapproved of the book’s theology. There were also disagreements concerning the health mission of the Seventh-day Adventist Church. Kellogg advocated one large, world-famous center while Ellen White urged several smaller centers to spread the health message farther. By 1907, after much arguing and negotiation, Kellogg removed the Battle Creek property from Seventh-day Adventist ownership and was cut off from the church.
  • John Harvey, along with his brother Will, founded Sanitas Food Company in 1897. When Will wanted to add sugar to the Corn Flakes recipe, the brothers argued and fell out. In 1906 Will started his own company, the Battle Creek Toasted Corn Flake Company, which eventually became the Kellogg Company.
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  • At its heighth, in 1906, with over 7,000 guests, including 1800 staff members, the Sanitarium became a destination for both wealthy and middle-class American citizens. It drew prominent people like Amelia Earhart, Johnny Weismuller, John D. Rockefeller and Warren Harding. Influential visitors like Mary Todd Lincoln and Sojourner Truth promoted Kellogg’s enthusiasm for health and wellness among the general population. It was nicknamed "The San" by its clients.
  • He promoted the Adventist principles of a low-fat, low-protein diet with an emphasis on whole grains, fiber-rich foods, and, most importantly, nuts. Kellogg also recommended a daily intake of fresh air, exercise, and the importance of hygiene. He offered classes on food preparation for homemakers.
  • In 1876 John Harvey Kellogg (1852 – 1943) became the superintendent of the Western Health Reform Institute. He renamed it the Battle Creek Sanitarium, a word he coined to infer a health-inducing institution. 
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    Good website about John Harvey!
Shelby Tenney

Harry Coover, 94; Invented Super Glue: Student Research Center - powered by EBSCOhost - 0 views

  • Harry Wesley Coover Jr., the man who invented Super Glue, died on Saturday night at his home in Kingsport, Tenn. He was 94. The cause was congestive heart failure, his daughter, Dr. Melinda Coover Paul, said.
Morgan Pearson

Bohlin made driving safer: Student Research Center - powered by EBSCOhost - 0 views

  • Swedish-born
  • saved hundreds of thousands of lives
  • was first offered by Volvo in 1959.
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  • When Volvo CEO Gunnar Engelau lost a relative in a car crash, he recruited Bohlin to boost safety.
  • unused except by race car drivers
  • late 1950s, only two-point lap belts were available
  • he knew the limitations of lap belts
  • focused on combating the harsh deceleration forces of crashes.
  • Within a year
  • widely-used life-saver
  • industry's most effective
  • He died in 2002 at the age of 82.
  • Members of the Hall of Fame selection committee
  • Nils Bohlin's seat belt saves lives.
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    Article of someone writing information about Nils Bohlin.
Katie Gatliff

Arts Planner: Student Research Center - powered by EBSCOhost - 0 views

  • "Checkered Game of Life," in 1860. It sold 45,000 copies in the first year. The Milton Bradley Co. continued to dominate the production of games through the 1900s, with more recent, familiar games such as "The Game of Life," "Candyland," "Battleship" and "Operation."
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    This doesn't have very good info but it can work as a site for ebsco
Morgan Pearson

Cars have come a long way in the last decade: Student Research Center - powered by EBSC... - 0 views

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    Cars have come a long way in the last decade.
Morgan Pearson

Seatbelt design saved many lives: Student Research Center - powered by EBSCOhost - 0 views

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    Information on Nils Bohlin and quotes from him while inventing the three-point seat belt.
Garrett Warren

After a slow start, auto safety's on a roll: Student Research Center - powered by EBSCO... - 0 views

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    ebsco info
Katlyn Humphries

N.Y. City hits P&G green ad for diapers: Student Research Center - powered by EBSCOhost - 0 views

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    Pampers
Ben Lews

Talking with...Tom Koleno: Student Research Center - powered by EBSCOhost - 0 views

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    EBSCO William Wrigley Jr
Tuffer Jordan

The new boom in laser discs: Student Research Center - powered by EBSCOhost - 0 views

  • Compact audio disc players, which use a laser beam, deliver sound with immense dynamic range and a startling purity.
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    CDs ( Compact Disks ) use a laser beam to deliver sound with immense dynamic rang and a starting purity.
Tuffer Jordan

CD technology: Student Research Center - powered by EBSCOhost - 0 views

  • The compact audio discs that have revolutionized high fidelity music recording will soon do the same for information storage. The new generation compacts discs will be able to hold up to 250,000 pages of text and thousands of full-color images.
    • Tuffer Jordan
       
      This article was form when the CD had been upgraded to hold more information and photos.
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    More information on the CD
Tuffer Jordan

Creator of the CD looks into the future: Student Research Center - powered by EBSCOhost - 0 views

  • Mar. 13--James T. Russell invented the digital compact disc to listen to music, but his CDs revolutionized technology.
  • Born in Bremerton, Wash., in 1931, Mr. Russell went to Reed College in Portland, Ore., and graduated with a degree in physics in 1953. He then joined General Electric labs in Richland, Wash.
  • Mr. Russell said that if the recording industry is able to organize a proper future for selling music online, the audio disc will go extinct. He invented the digital compact disc in the late 1960s after joining the Pacific Northwest National Laboratory of Battelle Memorial Institute in Richland.
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    Good information about James T. Russell's CD
De Anna Jo Powell

Harry Coover: Student Research Center - powered by EBSCOhost - 0 views

  • Harry Coover was the accidental inventor of the household staple Super Glue.
  • discovered the adhesive twice,
  • born in 1917, in Newark, Delaware.
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  • studied chemistry at Hobart College and later completed a master's and a PhD in the same subject at Cornell University.
  • working as a young chemist for Eastman Kodak in Rochester, New York, during the Second World War when he first came across Super Glue.
  • very difficult to test as it stuck to everything it touched. After a few abortive attempts to put the compound into moulds, Coover eventually gave up on it.
  • 1951 he was working at Eastman Kodak's laboratory in Tennessee, as part of a team testing compounds to find a heat-resistant polymer for use in aircraft cockpits.
  • destroyed an expensive piece of optical equipment by accidentally bonding its lenses with a drop of cyanoacrylate,
  • He glued together two metal parts and held on to the lower while it was lifted into the air. When he was lowered down, the presenter Barry Moore suggested they both try together.
  • marketing the adhesive as Eastman 910 in 1958
  • "It suddenly struck me that what we had was not a casting material but a super glue,"
  • Eastman 910 was soon being used in a variety of ways, but it quickly became known for its medical applications.
  • glue only really became a commercial success after the patents had expired and several other companies began developing their own versions.
  • especially its medical applications in the Vietnam War, when many medics carried a spray version of the glue to close wounds quickly. "There are lots of soldiers who would have bled to death," he said.
  • Coover worked for Eastman Kodak until he retired as vice president of the chemicals division for development in 1984. He held more than 460 patents.
  • Harry Coover Jr, inventor of Super Glue, was born on March 6, 1917. He died on March 26, 2011, aged 94
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    Good information about Harry Coover
Chad Amico

Post-It Notes Evolve In Size And Color: Student Research Center - powered by EBSCOhost - 0 views

  • Our last word in business is about a little product that requires concise writing. Thirty years ago this month, it hit stores across the country. Scientists at the office products conglomerate 3M had stumbled upon a new kind of adhesive, one that could stick to many surfaces and be pulled off easily and repositioned.
  • Since 1980, they have been a top-selling office supply. They're no longer just three-by-three inches and light yellow in color. The little sticky pads come in eight sizes, and dozens of shapes and colors.
  • heir contribution to human progress has been so great that Post-It note inventers Arthur Fry and Spencer Silver were inducted last month into the National Inventors Hall of Fame.
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    EBSCO 
Ben Lews

Wm. Wrigley Jr. Co: Student Research Center - powered by EBSCOhost - 0 views

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    Ebsco William Wrigley Jr
Chad Amico

Art Fry - 0 views

  • Everyone knows what the post- it notes are and  almost everyone use them in their normal life,but these amazing invention was not a planned product. Unlike other inventions no one got the idea and then stayed up many  night trying to make it happen, this was a total mistake.
  • In 1970 a scientist named Spencer Silver was working in the 3M research laboratories.He was working really hard trying to find a super stong adhesive, but instead  he developed an even weaker adhesive than what 3M already had, but he did not threw  it away.4 years passed until Arthur Fry came to the rescue!!!Arthur was singing in the church's choir and he used a paper to remind him his place in the anthom, but the reminder kept falling out of the book. He remembered Silver's adhesive,and he applied it to the paper   and it was a total success because the reminder stayed in place and he could take it out without damaging the pages or the reminder.In 1980 3M began selling  the post it notes.Even though now  you can buy the post it notes of  many colors,sizes and shapes the original ones were a small square in canary yellow color.
  • Arthur Fry was born on august of 1931 in  Minnesota, but  grew up  in a small town in Iowa and later in Kansas City. When Arthur finished school in 1950 he moved back to Minnesota to  the University of Minnesota to study majoring in Chemical Enginneering. In 1953, he began working for 3M in new project development while he was still undergraduate and worked  there until 1990. Now he has 3 children and 5 grandchildren and is very famous for a inventetion of  what is probably the most  important office supply product ever since the paperclip.
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    BIO AND MORE POST IT NOTES
Ben Lews

Talking with...Tom Koleno: Student Research Center - powered by EBSCOhost - 1 views

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    EBSCO a lot of good information
Heather Purpera

History of Computers and Computing, Birth of the modern computer, The bases of digital ... - 0 views

  • Compact Disk of James Russel The first workable digital compact disc device, the precursor on now ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist James Russell
  • James T. Russell was born in Bremerton, Washington in 1931. He was always a smart boy and at the age of six he devised a remote-control battleship with a storage compartment for his lunch (obviously the young James enjoyed the food :-)
  • In 1953, Russell earned his Bachelor degree in physics and graduated from Reed College in Portland. Afterwards he went to work as a Physicist in General Electric's nearby labs in Richland, where his wife Barbara worked as a chemist. At GE, working for the Hanford Nuclear Plant, and appointed as a "designated problem-solver" for GE experimental unit, Russell initiated many experimental instrumentation projects. He was among the first to use a color TV screen and keyboard as the main interface between computer and operator. He also designed and built the first electron beam welder. In 1950s and early 1960s, Russell, who was an avid music listener (he was found of classical music—Beethoven, Chopin, Mussorgsky, Offenbach. etc.), quite frustrated with the wear and tear of his vinyl records and their poor sound quality, tried to improve the record player. Initially he tried using a cactus needle, instead of steel one, for a stylus, but with no success. "After each record you had to resharpen the needle," he recalled.
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  • In 1965, the Ohio-based Battelle Memorial Institute opened its Pacific Northwest Laboratory in Richland, to took over management of Hanford's lab, and James Russell joined the effort as Senior Scientist. Thus he gained an audience for his more far-fetched ideas and immediately began to pepper Battelle with proposals for new commercial concepts. The optical digital technology was initially met with skepticism, as it was not believed that one could digitize sound. "Here I was at Battelle, enmeshed in the scientific community, and one of the first things I had to demonstrate was that you could digitize music and reproduce it" he said. "Music into numbers? Come on now, Russell."
  • ple to convert into an audible or visible transmission.
  • Through the 1970s, Russell continued to refine the CD-ROM, adapting it to any form of data. However, like many ideas far ahead of their time, the CD-ROM found few interested investors at first. In 1971, Eli S. Jacobs, a New York venture capitalist, pioneered the commercialization by forming Digital Recording Corporation to further enhance the product for the consumer video market, and hired Russell and a team of technicians to come up with a video disk. Their efforts led to a 20-minute video disc in 1973.
  • "The vision I had in mind was of television programs on little plastic records. The networks, instead of putting programs on television, would print records. And if you wanted to watch your favorite programs you'd get them in the mail and put in the disk whenever you want," Russell said. "Jacobs thought, if we can do it, hey great, we've got the whole world by the tail. And if we can't, well at least you know where you are." In 1974 Digital Recording Corporation announced an optical digital television recording and playback machine, the first device to digitize a color image, at a Chicago trade show. The response from large potential investors was rather cool. Philips Electronics representatives visited Russell's Battelle lab in the summer of 1975, and they discounted the entire premise of his work. "They said: It's all very well for data storage, but you can't do that for video or audio." recalled Russell. Philips had just released its laser disc, an analog optical video player, and they were convinced that analog was the only way. "Philips put $60 million into development of the laser disc. We were advised that nobody would tell them they had made a mistake."
  • Sony launched its CDP-101—the first commercialized CD player in 1982. Sony and Philips paid royalties from CD player sales to Battelle and to Optical Recording Corporation. Time-Warner and other disc manufacturers settled with the Optical Recording Corporation in 1992, paying $30 million for patent infringement. The court determined that Optical Recording had the sole rights over the technology mentioned in the patents. But because the patents properly belonged to Russell's employer, he never got a cent out of either deal. By 1985, Russell had earned 26 patents for CD-ROM technology. He then founded his own consulting firm, where he has continued to create and patent improvements in optical storage systems, along with bar code scanners, liquid crystal shutters, and other industrial optical instruments. His most revolutionary recent invention is a high-speed optical data recorder and player that has no moving parts. Russell earned another 11 patents for this "Optical Random Access Memory" device.
  • James Russell has more good ideas before breakfast than most people do all their life
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    Information and facts on the inventor 
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