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The hot new craze in Internet access is Wi-Fi and it is soon-to-be huge brother Wi-Max. Wi-Fi is a wireless connection that allows users to access the Internet without the computer being connected to a cable. And yes, it’s very convenient. Imagine walking from the sofa to the bedroom with your laptop and never loosing your connection. Imagine the freedom and flexibleness afforded schools and office workers. No more ugly bothersome cables to tie you down. You’re free to roam the Internet with your fingers while roaming your home, school or office with your feet. Freedom to move and freedom to surf. Perfect for the person who is on the go and up to date with the latest technology. You may even have free Internet access at your local coffee shop. Same for airports. What a outstanding idea. Or is it?

What precisely is Wi-Fi? Wi-Fi is a mutual term that stands for ‘wireless fidelity.’ It merely means that a computer may access the Internet without wires or cables. In other words, it allows one to have a wireless connection to the Internet. It’s like taking a cell phone base station and placing it in your home, schoolroom or office area. Wi-Fi is fundamentally the same type of connection as employed to operate a cell phone. It’s a product of comfortableness as it allows one to access the Internet with a desktop or laptop computer without the need for connecting cables. Moving from room to room with a laptop computer and no cables is a nice comfortableness even though it surely isn’t a necessity.

How does Wi-Fi work? Wi-Fi is actually very similar to your cell phone. Radio signals are transmitted from the computer or Bluetooth device to a wireless router, now and then called a wireless access point (WAP) or wireless local area network (WLAN). The router then sends the signal to the Internet through a cable modem. So this router or wireless access point is in truth the device responsible for transmitting the destructive radio waves. Any number of computers or widgets may be set up to connect to one wireless router to make Internet connections. The workable distance is regarding a range of 300 feet or more from the wireless access point while most distances for good connections are maintained at with regards to 100 feet. And, of course there are some variables that may affect this connection. Laptop computers and Personal Digital Assistants (PDAs) are the most mutual gadgets utilizing Wi-Fi technology.

Wi-Fi Emits Radio Frequencies Wireless connections emit radio frequency signals, or radiation, just like cell phones, cell phone towers and other wireless devices. Wi-Fi normally transmits it is signal at frequencies in the range of 2.4GHz to 5 GHz. Cordless phones ofttimes transmit in the 2.4GHz to 5 GHz range, too, and this oftentimes causes the cordless phone to interfere with a wireless internet connection to a nearby computer. The Wi-Fi frequency is substantially higher than the frequencies employed for cell phones which operate in the 850 MHz to1900 MHz range. This higher frequency allows more data to be carried. However, as we’ll see later, it is not the frequency of the signal that does the harm to our health. So the higher Wi-Fi frequency isn’t actually the issue at all when it comes to health considerations.

Wi-Fi Hotspots Now In Schools Wi-Fi has become ordinary in the home, office, the airport and coffee shops. Many cities are now installing “hot spots” where one may take a laptop computer and freely access the Internet over the provided network. This is what is known as a “hot spot.” It’s a place to make a wireless connection to the Internet. And they are springing up everywhere. Entire cities are getting wireless permitting one to connect to the Internet from anyplace in the city. And due to the ease of comfortableness Wi-Fi connections in schools are now getting rather popular, too. No longer are computers hard-wired to a connection in a classroom. Connections are now virtual and concede the user, student or teacher, the freedom to connect anyplace in the school without the burden of being restricted by cable connections.

Why Wireless Connections Are Harmful There are two potentially destructive mechanisms in which Wi-Fi users, including school children, may be harmed. The original mechanism involves the exposure to radiation from the distance or proximity of the user to the computer monitor. This form of exposure originates from the electromagnetic field being given off by the monitor itself and has not one thing to do with the wireless connection. Electromagnetic radiation is given off by the computer screen disregarding of whether the connection is wired or wireless. Any and all computer screens construct electromagnetic radiation. These electromagnetic fields may be substantial in strength and may reach levels much higher than the 1 milligauss (1 mG) threshold level of exposure commended by experts as being safe. Such a field may without apparent effort be measured with an inexpensive instrument called a gauss meter.

The second mechanism of hurt comes from the radiation or radio wave itself. The wireless signal, oscillating at 2.4 to 5 GHz, moves much too fast for the body to recognize. So this wave isn’t doing the damage. However, anytime any data or data is transmitted, say through our voice, through text messages or through the sending of information, the selective information is packaged and “piggy-backed” onto the basi wave. This gives rise to a second carrier wave and this wave is called the information-carrying radio wave, or ICRW. It is the information-carrying radio wave that is fabricating the harm. Here’s how this happens. This second carrier wave, or ICRW, oscillates in a much lower Hertz (Hz) range that is without apparent effort recognized by the body. When the ICRW comes in contact with the body the body recognizes this wave and responds to it as if this carrier wave were numerous type of alien invader. When this happens sure physiologic changes occur which are very significant. First, at the cellular level, the cell membrane changes and becomes less permeable. This occurs because the active transport channels shut down as the cell goes into a shelter mode. This loss of permeability means nutrients can’t get inside the cell where they are needed. In other words, the cell doesn’t get nourished.

Conversely, since the cell membrane is now less permeable, the toxins and free radicals that build up inside the cell as a natural part of our each and everyday metaboli process can’t get out. The buildup of toxins and free radicals inside the cell causes other problems. These toxic merchandise harm the mitochondria inside the cell. If you’ll do not forget from biology class the mitochondria are where energy for the body is produced. When this energy-producing routine is damaged the cell begins to lose it is capacity to function.

In addition, cells lose their capacity to commune with one another. When one cell can’t commune with another cell and messages don’t get sent or received the body can’t respond decently to any type of stress, injury, or invasion. Furthermore, the DNA inside the cell becomes damaged. Fragments of DNA break off and form something called micronuclei. Micronuclei are precursors to cancer formation. And when sufficient energy is lost and when sufficient malnourishment occurs the cell in the end becomes dysfunctional and dies. When sufficient cells die the tissues are affected. When sufficient tissue is affected organs become damaged and don’t work properly. And the cascade of detrimental events start out that may lead to a multitude of sensations or changes and failure of the body’s defense mechanisms to act appropriately.

The Wi-Fi Problem Think of Wi-Fi this way. It’s actually not one thing more than a little version of a cell phone tower placed in the classroom or office. Or, it could be similar to having a cordless phone in your home with multiple handsets all around the house. The base station is the access point and all the peripheral phones connect with it wirelessly. The radio frequency radiation being emitted is the same. The information-carrying radio wave is being transmitted without disturbance 24 hours a day. The connections from the computers and other wireless gadgets allround the school, office or home to the wireless access points cause any user around them, (children, teacher, staff, etc.) to be without disturbance exposed. Everyone in the building is caught in the crossfire of the continual access to the wireless access points. Even non-users are exposed because of the blanketing effect of these wireless access points all around the building. So no one escapes the exposure.

In understanding the risk of Wi-Fi we must do not forget that it is not the type of device, in this case a wireless access point or router that is important. Rather it is the type of radio frequency radio waves that are being developed by the device that are significant. Whether from a wireless router, a cell phone, a cell phone tower, or personal digital assistant (PDA), electromagnetic frequencies are produced by all these devices. We must look at the engineering science being applied by these gadgets and not the device itself as the problem. This must be the important concern as we valuate their safety, particularly in the classroom.

Another indispensable aspect of Wi-Fi exposure is that of modulation. Modulation refers to whether or not the signal frequency is neverending or pulsed. The new digital cell phones operate on a pulsed frequency, as does all wireless technology. Studies have shown that these pulsed signals are a dandier risk than analog, non-pulsed signals. 1

Certainly, by the addition of any type of wireless we are adding to the burden of electropollution we are all presently exposed to. Special contemplation will have to be given to the further and added exposure that Wi-Fi engineering science would fetch to those in a classroom, including the instructors, teachers, staff and surely students.

Children Are More Vulnerable Concern in regards to the increased vulnerability to electropollution by children has valid reasoning. Since the skull bones of the head don’t totally harden until in regards to age 22 the skull bones of a child’s head are softer than that of an adult. A softer head bone translates to having little impact penetration through the skull and into the head by radio frequency radiation. Furthermore, the head of a child holds more water since the brain is not wholly developed. It would make sense then that water will act as a conductor to electromagnetic radiation increasing the possibleness of even further damage. And since a child’s brain and nervous scheme is still manufacturing it only stands to reason that the potential harm would be more outstanding since cells that are in a growing phase are more effortlessly damaged.

And finally, exposing children in the elementary schoolroom will add to both the amount of electromagnetic radiation exposure and the accumulated length of exposure over their lifetime that they will be exposed. No one may argue that the children of today’s generation will be exposed to far dandier amounts of electromagnetic radiation and will be exposed to it for a much longer amount of time of time than any generation before. We plainly don’t recognise the aftermaths of this increased and cumulative exposure. And it’s an experiment that we shouldn’t place our children in. Why set up these networks without understanding any of the long-term consequences? Did we not learn a lesson from the tobacco and asbestos industries?

Effects of WirelessRadio Frequency Radiation Although no studies have been done on Wi-Fi per se there is a generous amount of exploration that has been carried out on cell phones, cell phone towers and masts. Since the Wi-Fi signal is the same type of radiation (only the frequency is different) one may assume with reasonable assurance that the effects of exposure to Wi-Fi will follow the same pattern of exposure to cell phones and cell phone towers.

Here’s an example of what may happen. Let’s say one works in a schoolroom or office where wireless access, or Wi-Fi, is used. In other words, we are continually exposed to a continuous bombardment of electromagnetic radiation waves. Over time, sitting or working in this classroom or office, the cells of the body gradually loose their energy and hence their capacity to communicate. What if the function of a queer group of cells was to maintain the integrity of the blood-brain barrier? The blood-brain barrier is an intricate membrane that keeps destructive substances and toxins from contacting sensible brain tissue. But what if the cells of the blood-brain barrier can’t commune or don’t work any longer? The barrier would break down and this would concede destructive substances to enter. Those substances would then come in contact with sensible brain cells. The result would be injured and damaged brain cells. This is just one example of how a queer group of cells may be adversely affected by electromagnetic radiation. In fact, studies have shown that placing a call on cell phone for just two minutes may disable the blood-brain barrier. 2 The same case could be made for the immune system and any other major “system” of the body since dissimilar cellular groups carry out dissimilar functions to keep us healthy.

There are more than a dozen studies linking an increased danger for brain cancer and acoustic neuroma (tumor of the auditory nerve) to radio frequency radiation from cell phones and cordless phones. 3

Even the World Health Organization (WHO) is concerned with regards to the effects of radiofrequency radiation on children’s health. In a recent WHO publication they wrote:

“The possible averse health effects in children affiliated with radiofrequency fields have not been totally investigated.”

“Because there are suggestions that RF(radio frequency) exposure may be more hazardous for the fetus and child due to their more outstanding susceptibility, prudent avoidance is one approach to keeping children’s exposure as low as possible.”

“Further exploration is necessitated to clarify the potential risks of ELF-EMF and radiofrequency fields for children’s health.”

Neurobehavioral effects of inhabitants living near a cell phone tower base station have also been studied. The following neuropsychiatric complaints were reported: headache (23.5%), memory changes (28.2%), dizziness (18.8%), tremors (9.4%), depressive sensations or changes (21.7%), and sleep disturbances (23.5%). 4 In addition, tests of attention and short-term auditory memory were significantly lower in the exposed players than in control groups.

Obviously, humans living close to cell phone towers have an increased peril for fabricating neurobehavioral problems.

Will We Medicate Our Children Unnecessarily? If in truth neurobehavioral sensations or changes are developed by radio frequency radiation and these frequencies are continually emitted all around our schools what might this suggest when it comes to the unnatural conduct of students in the classroom? Might parents be inclined and persuaded to medicate their children so that these undesirable sensations or changes may be controlled? If so, how some of these children would be medicated unnecessarily? Studies now show that the frequencies such as that emitted by cell phones cause unnatural brain hyperactivity. Such artificially induced hyperactivity would cause an unnecessary risk and expense to students who would be placed on a good deal of form of pharmaceutical intervention to aid in controlling these symptoms. Many of the drugs used in controlling hyperactivity, such as Ritalin, Concerta, and methylphenidate are in the amphetamine-like class of pharmaceuticals. What a disaster it would be to find out years later that this form of medication was unnecessary and could have been warded off if we would have chosen precaution over convenience.

Learning Issues As discussed earlier, the mechanism of hurt caused by electromagnetic frequencies occurs at the cellular level. The eventual outcome of this hurt is disruption of cell-to-cell communication. When the disruption of cell communication occurs cells can’t “talk” to each other. When cells can’t commune noesis is affected, the capacity to learn is affected, the capacity to retain selective information is affected, and behavioral difficultnesses may occur.

Makes Kids Susceptible To Other Stressors Radiofrequency radiation is likewise a stressor to the body. The mere fact that the cells of the body react to these frequencies as discussed earlier gives evidence of that they are harmful. When the stress response occurs from exposure to electromagnetic frequencies the body responds by freeing stress proteins, likewise known as heat shock proteins, to minimize the ensuing damage. The release of heat shock proteins is just one stress response mechanism that has been identified. Other mechanisms include the triggering of adrenal hormones like adrenaline. Continual stress is not healthful as it may at last fatigue the adrenal gland, suppress the immune system, and lead to fatigue causing difficultness in concentration. Sleep disturbances may likewise occur.

Immune System Affected Evidence likewise exists that radio frequencies invented by such widgets as cell phones, Wi-Fi, computers, televisions, etc. may trigger skin reactions.5 Microwave frequencies may trigger the release of chemicals from mast cells. Mast cells in the skin will break open and release chemicals that cause the sensations or changes of allergic skin reactions. 6 One of the chemicals freed by mast cells is histamine. Histamine is often times responsible for the sensations or changes of allergies such as runny nose, watery eyes, inflammation and difficultness breathing. Histamine likewise constricts the airway leading to or worsening the sensations or changes of asthma. It is of interest to note that the rate of asthma in children has doubled since 1980 and asthma now affects one in 10 children. The cell phone was introduced in1983 and has seen explosive growth in use in the last decade. Could there be a correlation amid the rising rates of asthma, an immune scheme problem, and the escalating use of cell phones and wireless technology? Certainly, one could expect that chronic exposure to these radio waves over time may lead to chronic inflammatory responses.

Electromagnetic Radiation Connected To Autism A recent study has now suggested a direct link amid autism and electromagnetic radiation. It appears that EMR may accelerate autistic spectrum disorders. 7 It is remarkable that the increasing rates of autism parallel the growth of the cell phone and wireless industry. This appears to take place as a result of the trapping of heavy metals within the cell and the disability of the body to excrete the toxic metals present that are ofttimes introduced into the body through vaccinations. Heavy metals are neurotoxic. When this excretory routine is prohibited these heavy metals, such as mercury, lead, beryllium, and aluminum, harm nerve structures and interfere in inter-cellular communication. This leads to neurological troubles and conditions like those found in autism spectrum disorders. This peculiar study has shown that when electromagnetic radiation is for the most part eradicated the efficacy of heavy metal detoxification and remotion was dramatically increased. In other words, the body was competent to excrete and eliminate heavy metals when it had not been capable to do so previously. This leads to the suggestion that (1) we need to reduce or eliminate electromagnetic radiation from any child’s environs and (2) measures need to be taken to fix the harm that has already been done by electromagnetic radiation. Although this study looked quintessentially at autism the same case could be made for attention-deficit disorders and affiliated conditions.

Occupational Hazard For Teachers And School Staff Children will attend school in a queer building for a finite number of years and then move on. For a child the length of time expended in a queer building or emplacement is predetermined. Therefore their exposure levels to this form of radiation will in all probability change. But what regarding the teachers and staff members who proceed to work in the same building for many, a lot of years? For these laborers and teachers the exposure in their building from Wi-Fi networks and radio frequency radiation is continual. What are the effects of this exposure after years and years of time? Will instructing in a Wi-Fi enabled school become an occupational hazard like that of an electrician? These are questions that must and ought to be answered before, rather than after, any installation of radiation-generating instrumentation is placed in service.

Wi-Fi In European Schools The European Environment Agency is calling for prompt steps to be taken to reduce exposure to Wi-Fi, cell phones and cell phone towers and masts. Recent global scientific reviews have concluded that electromagnetic radiation safety limits are “thousands of times too lenient” and one official British report came to the conclusion that the development of cancer from cell phone use could not be ruled out.

Sir William Stewart, chairman of the Health Protection Agency in the UK, is calling for a formal investigation into the hazards of using wireless networks in schools. He’s asking that students be monitored for health difficultnesses from the networks. Joining him in health worries over Wi-Fi installations in schools, the Professional Association of Teachers are calling for the Secretary of State for Education in the UK to begin an official inquiry into the issue.

Recently, parents of children at an English school have won a major battle in getting a mast tower got rid of from their school. Parents indicated that both students and staff complained of sensations or changes such as insomnia, headaches and numbness. It seems 56 percent of children had disturb sleeping, 54 percent invented headaches and migraines, and 46 percent reported dizziness and numbness. 86 percent of staff members had troubles sleeping, 59 percent reported headaches, and 95 percent of staff reported fatigue and numbness. Nosebleeds, nausea, and dizziness were likewise reported. 8

Dr. Gerd Oberfield, head of environmental health and medicine in the province of Salzburg, Austria, calls the installation of Wi-Fi “dangerous.” In fact, the government in Salzburg has been advising schools not to install Wi-Fi for well over a year now and is taking into account a finish ban on Wi-Fi networks.

Stowe School in Great Britian not long ago got rid of it is Wi-Fi instrumentation from it is building. One of it is schoolmasters who had taught there for 28 years produced headaches and nausea without delay after Wi-Fi was installed.

International Association of Fire Fighters In 2004, the International Association of Fire Fighters (IAFF) voiced it is opinion on cell phone towers and antennas by opposing the installation of cell phone antennas on or near fire stations until a creditable study may be done to establish their safety. In studying the available science the IAFF found over 49 references that led them to conclude that they ought to oppose the placement of cell phone antennas on fire stations. Some of the effects that have been documented by fire fighters include slowed reaction times, sleep deprivation, severe headaches, lack of focus, tremors, and vertigo. 9

What About Wi-Max The latest development in the world of digital communication is something called Wi-Max. Wi-Max is intended for use as a network for big metropolitan areas. Where Wi-Fi is fixed to a range of when it comes to 100-300 feet, Wi-Max may provide broadband wireless access up to 30 miles from fixed base stations and 3-10 miles from mobile base stations. It’s been described as Wi-Fi on steroids. It’s used in much the same way as Wi-Fi and will soon become the popular for Internet access. Imagine the implications. Whole metropolitan cities blanketed with Wi-Max wireless coverage. How commodious and “connected” do we in truth need to be?

Conclusion We presently have no studies that are specific to Wi-Fi. However, when assessing the safety issue we may and must look at technologies that are similar and applicable to Wi-Fi to draw our conclusions. This would seem suitable since Wi-Fi operates in the same manner as other more to a considerable degree studies similar technology and the basic mechanism of hurt from all wireless engineering is the same.

There are innumerable reports and studies raising caution signals with regards to the effects on humane health from exposure to cell phone radiation, cell phone towers, Wi-Fi, and wireless engineering in general. The fact remains that wireless engineering is a potential carcinogen. So was tobacco. So was asbestos. So were X-Rays. Like these other hazards, which were all at one time only “potential carcinogens,” wireless engineering science needs further study before we determine to randomly subject ourselves and our children to the potential destructive effects it seems to cause. How long will we wait for these studies? Another 20 years or more? How a lot of lives will be adversely affected or lost while we take the wait-and-see approach?

What may you do? Don’t let your children use a cell phone. Don’t live near a cell phone tower. Don’t use wireless Internet connections or cordless phones in your home. Provide good nutrition to your children in the form of a large total of fruits and vegetables. Everyone needs lots of antioxidants to protect themselves from the free radicals being devised by these high levels of radiation. Good quality water is a must, too.

Get involved in your child’s school. Get on the school board. Ask questions regarding the use of Wi-Fi in the school. Object to the installation of such instrumentation if and when the possibleness is discussed.

School districts today are beneath ever-increasing financial pressures. Healthy lease cash is being provided by the wireless industry to install cell phone antennas on school buildings. Once again, this is an unneeded and unnecessary exposure danger for our young people. Does the extra income provided by the wireless industry outweigh the potential risk to our children? The studies say no and we as parents and responsible citizens need to convey that message to our school boards and legislators.

Two-time Nobel Prize nominee, Dr. Gerald Hyland, a physicist, had this to say regarding cell phone towers. “Existing safety guidelines for cell phone towers are exclusively inadequate. Quite justifiably, the public remains skeptical of attempts by government and industry to reassure them that all is well, specially given the unethical way in which they ofttimes operate symbiotically so as to promote their own vested interests.”

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The all-new Kindle has a new electronic-ink screen with 50 percent better contrast than any other e-reader, a new sleek design with a 21 percent littler body while still keeping the same 6-inch-size reading area, and a 17 percent lighter weight at just 8.5 ounces. The new Kindle likewise offers 20 percent rapidly and without delay page turns, up to one month of battery life, double the storage to 3,500 books, built-in Wi-Fi, a graphite color option and more—all for only $139.

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23785 of 23999 persons found the following review helpful.
Kindle vs. Nook (updated 1/2/2011)
By Ron Cronovich
If you’re attempting to choose amongst a Nook and a Kindle, perchance I may help. My wife and I have owned a Nook (the initial one, not the new Nook Color), a Kindle 2, and a Kindle DX. When Amazon declared the Kindle 3 this summer, we pre-ordered two Kindle 3′s: the wi-fi only model in graphite, and the wi-fi + 3G model in white. They arrived in late August and we have applied them very steadily since then. For us, Kindle is better than Nook, but Nook is a good device with it is own vantages that I will talk about below. I’ll end this review with a few words regarding the Nook Color.

First, reasons why we prefer the Kindle:

* Speed

In our experience, the Kindle is very zippy equated to the Nook. Page refresh speed (the time it takes a new page to appear after you push the page-turn button) was WAY quicker on Kindle 2 than on Nook, and it’s more quickly yet on Kindle 3. Yet, I read a whole book on the Nook and didn’t find the slower page refresh to be annoying – you get applied to it, and it’s not a problem.

For me, the more primary speed divergence worries navigation – moving the cursor around the screen, for example to pick a book from your library, or to jump to a chapter by selecting it in the table of contents. On Kindle, you do this by pushing a 5-way rocker button, and the cursor moves very quickly. On Nook, you do this by activating the color LCD touchscreen (which ordinarily shuts off when not in use, to conserve battery). A “virtual rocker button” appears on the screen, and you touch it to move the cursor. Unfortunately, the Nook cursor moves very sluggishly. This might not be a big deal to you, but it in truth got annoying to me, specially since my wife’s Kindle was so quick and responsive.

In November 2010, Nook got a software upgrade that increments page refresh speed and makes navigation more responsive. I returned my Nook months ago, so I can not tell you if the Nook’s performance is now equivalent to the Kindle’s, but Nook owners in the remarks section have convinced me that the software update improves the experience of using the Nook. If performance is a huge factor in your decision, visit a Best Buy and compare Kindle and Nook side by side.

* Screen contrast

You’ve seen Amazon’s claims that the Kindle 3 e-ink has 50% better contrast than Kindle 2 or other e-ink devices. I have no way of incisively measuring the betterment in contrast, but I may tell you that the Kindle 3 display unquestionably has more contrast than Kindle 2 or Nook. The divergence is noticeable, and important: more screen contrast means less eyestrain when reading in poorly lit rooms.

In well-lit rooms, the Nook and Kindle 2 have sufficient contrast to concede for comfortable reading. But I often times read in low-light conditions, like in bed at night, or in a poorly lit room. In these situations, reading on Nook or Kindle 2 was a bit uncomfortable and often gave me a mild headache. When I got the Kindle 3, the extra contrast was without delay noticeable, and made it more comfortable to read underneath less-than-ideal lighting conditions. (If you go with a Nook, just make sure you have a good reading lamp nearby.)

* Battery life

The Nook’s color LCD touch screen drains it is battery quickly – I could never get more than 5 days out of a charge. The Kindle 2 had longer battery life than the Nook, and Kindle 3 has even longer life: in the 3 months since we received our Kindle 3′s, we distinctively get 3 weeks of battery life amidst charges. (We keep wireless off in regards to half the time to save battery power.)

* Weight

Nook weighs with regards to 3 ounces more than the new Kindle, and you may in truth feel the difference. Without a case, Nook is still light sufficient to hold in one hand for long reading sessions without fatigue. But in a case, Nook is a heavy sucker. The new Kindle 3 is so light, even in a case, we find it comfortable keeping in one hand for long reading sessions.

Reasons a great deal of people might prefer the Nook:

* In-store experience

If you need aid with your nook, you may take it to any barnes and noble and get a real humane to help. You may take your nook into the coffee shop section of your local B&N store and read any book for free for up to one hour per day. When you take your nook to B&N, numerous in-store particular deals and the occasional free book pop up on your screen.

* User-replaceable battery

Rechargeable batteries at last lose their capacity to hold a charge. Nook’s battery is user-replaceable and comparatively inexpensive. To replace Kindle’s battery, Amazon wants you to ship your Kindle to Amazon, and they will ship you back a DIFFERENT Kindle than the one you sent (it’s the same model, for example if you send a white Kindle 3, you get a white Kindle 3 back, but you get a “refurbished” one, NOT the precise one you sent them). I don’t like this at all.

However, assorted humans have posted remarks here that have eased my concerns. Someone looked up stats on the Kindle’s battery and did galore simple calculations to show that it must last for 3 or more years. Before that happens, I will surely have upgraded to a newer Kindle model by then. Also, somebody found a good deal of companies that trade Kindle batteries at reasonable cost and have how-to videos that demonstrate how we may replace the battery ourselves. Doing this would void the Kindle’s warranty, but the battery will in all probability not fail until long after the warranty expires.

* ePub

Nook uses the ePub format, a widely used open format. Amazon uses a proprietary ebook format. Many libraries will “lend” ebooks in the ePub format, which works with nook but not kindle. However, a free and reputable program called Calibre allows you to translate ebooks from one format to another – it supports a heap of formats, including ePub and Kindle. The only catch is that it doesn’t work with copy-protected ebooks, so you can’t, for example, buy a Kindle book (which is copy protected) and translate it to ePub so you may read it on a Nook.

* Nook’s color LCD touchscreen

The firstborn Nook has a little color LCD screen on the bottom for navigation. This could be a pro or con, depending on your preferences. It makes the Nook hipper and less drab than Kindle. Some persons receive pleasure from using the color LCD to view their library or navigate. I did, at first. But after two weeks of use, and comparings with my wife’s Kindle, I found the devoted buttons of the Kindle requiring little effort and far quicker to use than the Nook’s color touchscreen. I likewise found the bright light from the color screen distracting when I was attempting to read a book or newspaper (though when not in use, it shuts off after a minute or so to conserve battery).

* expandable capacity

Nook comes with 2GB of internal memory. If you need more capacity, you may insert a microSD card to add up to 16GB more memory. Kindle comes with 4GB of internal memory – twice as much as Nook – but there’s no way to exaggerate that. Kindle doesn’t receive memory cards of any type. If you primarily use your device to read ebooks and newspapers, this shouldn’t be an issue. I have over 100 books on my Kindle, and I’ve employed only a tiny fraction of the memory. Once Kindle’s memory fills up, just delete books you don’t need prompt access to; you may always restore them later, in seconds, for free.

A few other notes:

Kindle and Nook have other features, such as an MP3 player and a web browser, but I caution you to have low expected values for these features. The MP3 player on the Kindle is like the first-generation iPod shuffle – you can’t see what song is playing, and you can’t navigate to other songs on your device. I don’t like the browser on either device; e-ink is just not a good technology for surfing the web; it’s slower and clunkier than LCD screen technology, so even the browser on an Android phone or iPod touch is more gratifying to use. However, galore commenters have more favorable views of either device’s browser, and you might, too.

* ebook lending

If you have a Nook or a Kindle, you may “lend” an ebook you purchased to an individual else with the same device for up to two weeks. The Nook has always had this feature. The Kindle just got this feature as of December 2010. Most but not all purchased ebooks are lendable, due to publisher restrictions.

* PDF help

Kindle and Nook both handle PDF files, but in dissimilar ways. When you put a PDF file on your nook, nook converts it into an ebook-like file, then you may adjust the font size, and the text and pagination will adjust just like with any ebook. But you can not see the primary PDF file in the native format in which it was created. Kindle 3 and Kindle DX have native support for PDF files. You may see PDF files just as they would appear on your computer. You may also convert PDF files to an ebook-like format, and then Kindle handles them just the way the Nook handles them – text and pagination adjust when you change the font size. Unfortunately, a good deal of symbols, equations, and graphics get lost or mangled in the translation – even when looking at PDF files in their native format on the Kindle. Moreover, the little screen size of the Kindle 3 and the Nook is not outstanding for PDF files, most of which are designed for a larger page size. You may zoom and pan, but this is cumbersome and tiresome. Thanks to commenters who suggested observing PDF files in landscape mode on the Kindle (I don’t know if you may do this on Nook); this way, you may see the entire top half of the page without panning, and then scroll down to the bottom half. This works a little better.

SUMMARY:

Nook and Kindle each offer their own advantages. We like the nook’s user-replaceable battery, compatibility with ePub format, and in-store experience. But we strongly prefer Kindle 3 because it is performance is zippier, it is higher-contrast screen is requiring little effort to read, and it’s littler and lighter so it is more portable and more comfortable to hold in one hand for long reading sessions.

* Nook Color

Everything I wrote when it comes to the Nook in this review applies to the initial Nook (which proceeds to be available), not the new Nook Color. To me, the Nook Color is in a dissimilar product category than the Kindle or basi Nook. Nook Color has an LCD screen, like an iPad or most computer monitors. That’s a big disfavor for people like me, who get headaches from reading a computer screen for long periods of time. Amazon’s Kindle product page has an informative section on e-ink vs. LCD displays.

But a great deal of persons don’t have difficultnesses reading from computer screens, and the Nook Color is getting glowing reviews in the press and by owners. For the money, it offers a lot of functionality such as a good web browser and the capacity to play games and watch movies. But keep in mind: it costs a lot more than the Kindle, it weighs closely twice as much, it doesn’t come in a 3G version, and (unlike the original Nook) the Nook Color doesn’t have a user replaceable battery.

7479 of 7631 people found the following review helpful.
Worth the money. Not perfect, but very very good for get started to finish novels in good light
By Jeffrey Stanley
The Kindle is my introductory e-ink reader. I own an iPad, an iPhone, and have owned a Windows-based phone in the past that I applied as an ereader.

My overall impression of the device is good.

The good:
I’d candidly rather read linear (read from page one to the end, one page at a time) fiction from it than a book, because I can’t always get comfortable with a book. Hardcovers are at times a bit heavy, and paperbacks don’t always lie open easily. The Kindle is fantastically light and thin. I may hold it in one hand easily. The page turn buttons are conveniently located. Page-turns aren’t instant, but they’re probably more immediate than turning a physical page in a printed book (there are just a lot more page-turns unless you choose a little font). The contrast is better than other ereaders I’ve seen. There is zero eye strain in good light. My eyesight isn’t the greatest and I like being competent to increase the font size and read without glasses. I love being competent to browse the Kindle store and read samples before resolving to purchase. The “experimental” browser is breathtakingly usable, but isn’t great. It is utile for browsing wikipedia and blogs. The greatest drawback to the browser is the awkward pointer navigation, using the 5-way pad. It syncs your furthest read page over the internet so you may pick up where you left off using your iPhone or iPad.

The so-so:
The kindle store could use more categories and sorting options. You can’t sort by “top rated,” and there is no category for “alternate histories,” for example. Finding a very-specific type of fiction relies on keyword searches, which don’t do a outstanding job. The wifi at times doesn’t connect before it times-out. You seldom need the wifi, but it is annoying if you modify a setting, answer “OK” to the prompt to connect, and the thing tells you it failed to connect two seconds later (the precise moment it gives evidence of that it did in the long run connect, then you need to go back to update the setting again). Most settings don’t require a connection, but it is a minor annoyance. Most of your time will be expended reading, and of course your books are stored on the device and a connection is not required. Part of me wishes I’d purchased the 3G model, because the browser is good sufficient that having lifetime free 3G wireless would be worth the extra money. Magazines don’t look very good and are not very easy to navigate. There is minor glare in galore lighting conditions, for the most part when a lamp is positioned behind the reader’s head.

The bad:
The contrast is reasonable to poor in dim light. It is much having little impact to read a printed page in dim light. In good light, contrast is on par with a pulp paperback. In dim light it feels almost like reading from an old Palm Pilot (resolution is better than an old Palm, but contrast is bad in dim light). The screen is little sufficient that the frequency of page turns is pretty high. Even in good light, the light gray background is less pleasant than the eggshell background of a printed page. You must tell it to sync before you switch it off, if you suppose the feature permitting you to pick up where you left off using other widgets to work correctly. The copy shelter prevents you from using the files on anything other than Kindle software or devices.

Vs iPad:
IPad is a lot better for magazines, reference materials, and illustrated materials. Kindle is worlds better for reading novels. IPad is pretty heavy, making it more difficult to hold in your hand or carry with you everywhere. Kindle is much more portable and posing no difficulty to hold. IPad has a heap of awful children’s books and magazines, which take vantage of it is multimedia features. IPad is unreadable in sunlight and glare is bad in bright light. Kindle is as good as a printed page in bright light. Ipad serves as a originative tool, a computing tool, a gaming tool, and a communication tool. Kindle is only a novel machine. I don’t regret buying either one of them. An iPad won’t replace books, but a Kindle can, if the book is text-only.

I highly commend this device at it is new low price if you are a frequent reader of novels. I love my kindle. Just don’t suppose it to be more than it is. Leave the magazines and such to the tablet computers.

905 of 918 people found the following review helpful.
A hesistant buyer rejoices on his choice
By Mr Goodwrench
I researched the buy of a Kindle for a long time. I couldn’t determine whether or not it was worth buying a consecrated e-reader. Boy am I glad I made this purchase. The downside to Amazon’s online retail of Kindle 3 is that the clients don’t get to see it in person. It is much better in person. This may sound stupid, but when I got my new Kindle, I thought there was a stuck-on overlay on the screen containing a diagram of the unit’s buttons, etc. I in truth tried to peel it off. Doh! The e-ink on this unit is THAT good. I didn’t realize that I was staring at the actual display. I also didn’t realize that no power is required until the display changes. (thus the great battery life) I do a lot of reading, but was facing the chance of reading less or buying big type books because of my variable and deteriorating eyesight. The new Kindle has been a godsend. Now, I may determine the size of type I need depending on my level of fatigue amidst other things. The weight and ergonomics are very good. For someone, like me, with neuropathy in his hands, it is exceedingly easy to manage and gratifying to own. To me, it is requiring little effort to read than print books. The ease of navigation is outstanding as is the speed. The battery life, so far, has been extraordinary. It without apparent effort connected to our home Wi-Fi, which by design does not broadcast an SSID. It downloads books so fast that I almost thought they were not wholly received. I did not buy the 3G version because of the price divergence and the fact that there is no coverage where I live. If you are not perpetually traveling, I don’t see the need to spend the extra bucks, but that is a matter of personal choice. For those who have no Wi-Fi at home, do not forget that you may always download the material to your computer and transfer it by way of USB. Just today I was looking at an consultation with Tony Blair on TV. He was talking with regards to his new book, which sounded interesting. I picked up the Kindle and downloaded a free sample before the consultation was over. I have only read the preface so far, but will in all probability buy the book. Now THAT is a outstanding way to buy a book! I haven’t applied online browsing spacious yet, but find it reasonable for what the device is. This is mainly a book reader, not a laptop or notebook. They are great for what they do, but can’t match the e-ink display, or the light weight. For those of you worrying in regards to the wait for the new Kindle, let me end with, “It is worth the wait” This new Kindle is all when it comes to the quality of experience. There are a lot of format selections for electronic reading. If you want the best experience, go with the Kindle.

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