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  • The Extreme Searcher's Internet Handbook

    The Extreme Searcher's Internet HandbookThe Extreme Searcher's Internet Handbook, by: Randolph Hock

    Binding: Paperback
    Dewey Decimal Number: 025.04
    EAN: 9780910965767
    Edition: 2nd
    ISBN: 0910965765
    Label: Information Today, Inc.
    Manufacturer: Information Today, Inc.
    Number Of Items: 1
    Number Of Pages: 360
    Publication Date: April 01, 2007
    Publisher: Information Today, Inc.

    An essential guide for anyone who conducts research on the Internet—including librarians, teachers, students, business professionals, and writers—this fully revised handbook details what users must know to take full advantage of Internet search tools and resources. From emerging search tools Ask.com and Windows Live to standbys Google and Yahoo!, the major search engines and their myriad of services are thoroughly discussed. Recent additions to the Internet realm—RSS feeds, podcasts, alert services, wikis, and blogs—are explained, as well as tried-and-true search tools, including web directories, newsgroups, and image resources. For those with little to moderate searching experience, friendly, easy-to-follow guidelines to the world of Web research are provided, while experienced searchers will discover new perspectives on content and techniques.

    The Extreme Searcher's Internet Handbook

  • Fumbling the Future

    Fumbling the FutureFumbling the Future, by: Douglas K. Smith, Robert C. Alexander

    Binding: Paperback
    EAN: 9781583482667
    ISBN: 1583482660
    Label: iUniverse
    Manufacturer: iUniverse
    Number Of Items: 1
    Number Of Pages: 276
    Publication Date: 1999-04
    Publisher: iUniverse

    Ask consumers and users what names they associate with the multibillion dollar personal computer market, and they will answer IBM, Apple, Tandy, or Lotus. The more knowledgable of them will add the likes of Microsoft, Ashton-Tate, Compaq, and Borland. But no one will say Xerox. Fifteen years after it invented personal computing, Xerox still means "copy."

    Fumbling the Future tells how one of America's leading corporations invented the technology for one of the fastest-growing products of recent times, then miscalculated and mishandled the opportunity to fully exploit it. It is a classic story of how innovation can fare within large corporate structures, the real-life odyssey of what can happen to an idea as it travels from inspiration to implementation.

    More than anything, Fumbling the Future is a tale of human beings whose talents, hopes, fears, habits, and prejudices determine the fate of our largest organizations and of our best ideas. In an era in which technological creativity and economic change are so critical to the competitiveness of the American economy, Fumbling the Future is a parable for our times.

  • PalmOne m515 Color Handheld

    PalmOne m515 Color HandheldPalmOne m515 Color Handheld from: Palm

    A stylish marriage of form and function, the Palm m515 handheld is perfect for today's tech-savvy professional. Whether you're managing contracts or your calendar, composing email or a Word-compatible doc, you'll get brilliant color, simplicity and sophistication in one ultra-slim design. A new, brighter color display offers outstanding readability with more than 65,000 colors and an adjustable backlight for maximum viewing control. With 16 MB of internal memory, you can store hefty applications, PowerPoint presentations and even video clips with room to spare. Bonus software lets you view Word, Excel and PowerPoint files right on your handheld, send email, read eBooks, view video clips and photos, browse Web content offline and more. Plug in stamp-sized MultiMediaCard and SD expansion cards to instantly add software applications, additional memory, backup capabilities, eBooks, large databases and more without taking up built-in memory space. Or, use the Palm Universal Connector to add I-didn't-know-you-could-do-that peripherals such as a wireless LAN module, a GPS receiver or a portable keyboard.

    PalmOne m515 Color Handheld

  • Anonymizer Anonymous Surfing Platinum

    Anonymizer Anonymous Surfing PlatinumAnonymizer Anonymous Surfing Platinum

    Anonymizer Anonymous Surfing Platinum protects you and your family from online identity theft by keepingyour IP address private. Thieves can't steal what they can't see! Anonymizer also warns you before you unknowingly visit malicious phishing and pharming sites and secures data sent over wireless networks, whether at home or on the road. Rest easy knowing Anonymous Surfing protects you around the clock! QuickFill securely completes web forms and logins - just enter the first few characters and QuickFill fills the rest Works with all browsers Get unsurpassed spyware defense with two distinct spyware engines - detect and remove spyware, adware, trojan horses, browser hijackers, dialers, tracking cookies and keyloggers Speed up your web surfing with ad and pop-up blocking features Digitally shred files so that they're gone without a trace Wireless Protection helps you bypass fraudulent hotspots.

    Anonymizer Anonymous Surfing Platinum

  • NETGEAR VPN05L ProSafe VPN Client Software

    NETGEAR VPN05L ProSafe VPN Client SoftwareNETGEAR VPN05L ProSafe VPN Client Software

    Netgear's ProSafe VPN Client software delivers the ideal solution, with robust encryption and broad support across multiple connection types and Microsoft Windows operating platforms. The ProSafe VPN client provides easy setup and seamless compatibility with the full line of Netgear VPN & Firewall routers as well as compatibility with IPSec VPN solutions. A wide range of security protocols and authentication methods, including Advanced Encryption Standard (AES), Data Encryption Standard (DES), 3DES, Message-Digest Algorithm (MD5) and Secure Hash Algorithm (SHA-1). Also, Public-Key Infrastructure (PKI) and Internet Key Exchange (IKE - Main and Aggressive modes), plus a wide range of Smart Cards and certificate authorities is supported. Netgear ProSafe VPN Client software also provides protected access to corporate resources via wireless, broadband, and dial-up connections. Supports NETGEAR VPN/Firewall routers, including the FVS318, FVL328, FVM318, and FWAG114, as well as many other IPSec-compliant VPN devices. Enables client-initiated VPNs from Windows 98, Me, XP, 2000, and Windows NT-based PCs. Smart Card support PKCS #7 certificate chains PKCS #10 certificate requests PKCS #12 certificate import MSCAPI support Diffie-Helman Group Support - Group 1-MODP 768, Group 2 ­ MODP 1024, Group 5 ­ MODP 1536 Authentication Mechanisms - Preshared keys, RSA signatures Key Management - IKE (Internet Key Exchange) IPSec Modes - Tunnel, Transport Compression - IPComp, Deflate and plug-in support for LZS System Requirements - Pentium (or equivalent processor) PC, Microsoft Windows 98, Me, Windows NT 4.0, Windows 2000, Windows XP operating system, 16 MB RAM for Windows 98, 32 MB RAM for NT, 64 MB for ME and 2000, 64 MB for XP, 35 MB hard disk space

    NETGEAR VPN05L ProSafe VPN Client Software

  • HP 211 HP iPAQ 211 Enterprise Handheld

    HP 211 HP iPAQ 211 Enterprise HandheldHP 211 HP iPAQ 211 Enterprise Handheld from: Hewlett Packard

    Whether you're an IT manager or a mobile professional, you can maximize your business results with an organizer that makes the most of your on-the-go style. The powerful iPAQ 211 Enterprise Handheld will run your work applications and a broad range of third-party solutions. The large 4" touch screen means excellent viewing in a variety of light conditions. It has robust SDIO expansion and it lets you connect to the Internet and get e-mail, at the office and in Wi-Fi hot spots in airports, cafes, and hotels. Integrated WiFi - 802.11 b/g with WPA2 security Integrated Bluetooth v2.0 with EDR Marvell PXA310, 624MHz Processor 4 transflective TFT 260K color Display, 480 x 640 pixel (VGA) touch panel with LED backlight 128MB SDRAM main memory for running applications, 256MB flash ROM 2200-mAh Lithium Ion rechargeable, user changeable battery 24-pin docking connector, mini USB, Micro SD card slot Integrated microphone, receiver, two speakers, and 3.5mm 4 pin headphone jack Operating system - Microsoft Windows Mobile 6 Classic Dimensions - 4.96 x 2.99 x 0.63 Weight - 114.6 grams (3.68 ounces) with battery

     

The Purpose Of Metal Detectors PDF Print E-mail
Written by Admin   
Monday, 25 August 2008
Metal detectors are very useful. They have many uses in many different areas, some of which include: the army in minefields, airports and other checkpoints security, prospectors geophysical, and beach-combers.

The metal detector is also included in the radar detector family, because many use radar in their systems. Other members of radar detector family includes: car radar detection systems, weather radar systems, wireless and radar systems.

Metal detectors are composed of an oscillator that produces alternating current through a coil, which creates an alternating magnetic field. This means that when a metal driver electronically east near the detector, it creates swirls of air, which causes a change in the magnetic field, which allows the operator to see where the metal.

Handheld detectors are the most frequent, and are used in most cases. Even land mines can be detected through the use of handheld devices. However, to really deep metal penetrating radar is used in conjunction with the metal detector to unearth the hidden metals.


The metal detector has an interesting history. The first metal detectors were set up in the late 19th century. The original inventors of the idea hopes to be able to create methods easier to find ore for minors. A physicist, Heinrich Wilhelm Dove, invented the system of induction balance in these days, but it took a century to see the other the need for his idea.

In the early machines were difficult to use, and took a lot of battery. In the years 1930, the metal detector modern format began to emerge. Gerhard Fisher is the first patented inventor of the metal detector. He discovered quite the detection of metals by accident, when he found an anomaly in his radio navigation methods. His model was used during World War II, but later, when there were surplus around detectors lie, the hobby of finding metals for recreation was formed.

A metal detector is a very useful and entertaining tool. It is difficult to imagine someone who has never seen one. Almost everyone has come into contact with metal detectors at least once. It is interesting to note that the metal detector is part of the family radar detector.

This is because many wireless sensors use a radar system in their mechanisms. The metal detector also has an interesting history, and thinking about the next time you're standing at a checkpoint security will give you something to think to pass the time.

Source : a r t i c l e  s b a s e . c o m 

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