Kindle Wireless Reading Device, Free 3G, 6" Display, White - 2nd Generation

!±8± Kindle Wireless Reading Device, Free 3G, 6" Display, White - 2nd Generation

Brand : Amazon | Rate : | Price :
Post Date : Feb 17, 2012 21:34:37 | N/A

Say Hello to the Newest Kindle Slim: Just over 1/3 of an inch, as thin as most magazines Lightweight: At 10.2 ounces, lighter than a typical paperback Books in Under 60 Seconds: Get books delivered wirelessly in less than 60 seconds; no PC required 3G Wireless: 3G wireless lets you download books right from your Kindle; no annual contracts, no monthly fees, and no hunting for Wi-Fi hotspots International Coverage: Enjoy 3G wireless coverage at home or abroad in over 100 countries. Paper-like Display: Reads like real paper with no glare, even in bright sunlight Carry Your Library: Holds up to 1,500 books Long Battery Life: Read for days without recharging Read-to-Me: With the experimental Text-to-Speech feature, Kindle can read newspapers, magazines, blogs, and books out loud to you, unless the book's rights holder made the feature unavailable Free Book Samples: Download and read the beginning of books for free before you decide to buy Large Selection: Over 350,000 books, including 104 of 112 New York Times® Best Sellers, plus U.S. and international newspapers, magazines, and blogs Low Book Prices: New York Times Best Sellers and New Releases are .99, unless marked otherwise

• Slim and Lightweight: Just over 1/3 of an inch, as thin as most magazines. At 10.2 ounces, lighter than a typical paperback
• Wireless: 3G wireless lets you download books right from your Kindle, anytime, anywhere; no monthly fees, service plans, or hunting for Wi-Fi hotspots
• Books in Under 60 Seconds: Get books delivered in less than 60 seconds; no PC required
• Improved Display: Reads like real paper; now boasts 16 shades of gray for clear text and even crisper images
• Longer Battery Life: 25% longer battery life; read for days without recharging

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The Camera and the Influence of Digital Technology

!±8± The Camera and the Influence of Digital Technology

In the study of the camera, digital technology influence comes from a variety of different sources to give rise to modern digital photographic capabilities. Some of these technologies are then advanced in special niches to create new advances in science. One of the best examples of this exchange of digital technology is the CCD or Charge-coupled device. This is the digital technology breakthrough that made the digital camera possible.

When light strikes the CCD surface, it frees electrons to move around and those electrons accumulate in capacitors. Those electrons are "counted" at regular intervals by a circuit which dumps the electrons from each point on the CCD surface. When all of these measurements are combined, a picture can be instantly reproduced as a "virtual mosaic" of the individual point measurements. This is the picture we see. The more points of measurement found on the CCD, the higher the "resolution" of the resulting picture.

When building a highly specialized camera, digital technology such as this opens new doors which are not possible with film based technology.

In dentistry, an X-ray machine can be converted to a digital camera with a CCD which is sensitive to the photons that make up the X-ray spectrum. Instead of imprinting an image of X-ray on film, developing the film and finally reviewing the tiny film image, modern X-ray cameras can instantly display an X-ray image on a computer screen as the CCD processes the array of photon measurements. This not only saves time, but also produces no waste in the form of exposed film and development chemicals. So with this frequently used, specialized camera, digital technology creates improvements in a dentist's practice and protects the environment.

Another specialized camera that benefits from digital technology is the telescope. Traditional cameras, mounted to telescopes collect points of light and expose the film. This can provide more sensitivity than the human eye to faint points of light, but brighter points of light can also obscure fainter ones by "washing out" the image. With the application of digital technology the film camera is replaced by a digital camera using a CCD. The CCD can continue to receive and measure photons indefinitely. This means the process is a continuous measurement in contrast to the more simple exposure of a piece of film. Computers can then electronically filter out brighter sources of light making possible the detection of very faint points of light in the sky and even the study of celestial objects by the detection of the shadows they cast instead of the light they give off. By comparing the light collected over time, digital technology also allows this digital camera to detect distant objects by inferring their presence.

These are just two examples of how cameras are influenced by digital technology. New applications and even new science can result from such seemingly small advances in technologies that don't seem to be related at all. Think on this the next time you examine your own digital camera.

The Camera and the Influence of Digital Technology

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