Rotary Tools: Cordless Vs Battery

Rotary tools are a practical choice for small projects like cutting in tight spaces, engraving, carving, and grout removal. They are great for the small-scale application because of the efficient power and convenient size. The rotary tools are either cordless of electric models. This tool is quite similar to the oscillating multi-tools, but has a fixed spinning motion. Also, it operates at a high-speed, so the cutting action isn’t always the smoothest.

Here is an overview of the different types of rotary tools:


The cordless rotary tools are the most portable and give greater freedom in use. They can operate anywhere on a job-site provided the battery pack is charged. It is great to quickly finish jobs that are out of reach of a convenient power source. However, the run-time of the cordless unit is limited. It is only possible to work while the battery holds enough charge go give full power and performance. A typical full charge is in the region of 60 to 90 minutes, and a complete charge takes about 3 hours. Also, the cordless unit will be slightly heavier because it has to accept the extra weight of the lithium battery.


The electric rotary tools completely remove the concern of running out of power at an awkward moment. With a suitable power source in place, this tool can run as long as needed. The power cord is usually in the region of 6-feet so this gives a decent amount of freedom to move around. They are a practical choice for the lengthier or heavy-duty projects because of the ability to rely on constant power. Also, with no battery in place, the overall weight of the tool is lighter. This lowers the risk of fatigue for the user. A negative of this type of tool is having limited access. Projects can only be completed within the length of the power cord. An extension cord can help to widen the workable area, but this isn’t always a convenient option.

Before you buy

There are several factors to consider when buying the rotary tools. A major point is the type of work to complete. The professional in need of a reliable tool for day-to-day jobs will need something more powerful than want a hobbyist needs. The electric unit is preferred for those that demand constant power. A portable one isn’t practical for the long or heavy-duty jobs because the battery will need to be constantly recharged. But, for those working on a light home project, the cordless unit can fit the needs.


Nokia N70 Mobile Phone

The entry of Nokia N series in the world of mobile phone handset has taken the mobile phone users by pleasant surprise. Almost all the sets of the series are completely compatible to serve the purpose of a busy bureaucrat, ambitious businessman and any other fun-loving mobile user. Let us see the features and functionalities of the most favorite member of the series — Nokia N70.

Nokia N70 is the most popular for its high resolution video camera. Simply unfold and twist the main display and the hand set is ready to shoot superb quality video using the high-resolution color landscape view as a viewfinder. For convenient one-hand operation there are zoom keys including up to 8x digital zoom for video.

You can easily connect it to the Internet thereby to communicate with others, create and share experiences, participate in Internet communities, and access digital content using available mobile broadband connections. How interesting is it to communicate with the rest of the world or enjoy your favorite channel using a small tool which remains well-fit within the fist of your hand!

May be for serious work or simply having sheer fun Nokia N70 can provide unparallel multimedia experience. With its powerful functionality and winsome design it can arrest the attention of any fashionable person. With all these wonders packed in a small and cute device will Nokia N70 be an ideal for any group of mobile phone users, irrespective of their age and status.


Toshiba 32RL858B Review

The Toshiba 32RL858B is an attractive looking LED TV coming in at a great price with a specification and list of features you'll struggle to find on other 32 inch televisions in a similar price range. So let's see what makes this TV such a good purchase.

As with most LED TVs out at the moment the Toshiba 32RL858B is amazingly slim with a small bezel. It has a Freeview HD tuner already installed and uses edge LED lighting. Multimedia files can easily be viewed from a PC network or USB device. It even has Toshiba's new online platform 'Toshiba Places' allowing you to watch videos, listen to music and access various other services.

It's more a silver gray in color as opposed to the standard black most TVs of this genre come in. Its slim bezel combines well with the back of the TV giving a fantastic overall slender look and will fit nicely into any room in your house. It's a good start feature-wise for a television costing less than £ 400 in the UK but there's plenty more packed into this great unit.

The Toshiba 32RL858B has plenty of connections including three HDMIs, one USB, a D-Sub PC port and an Ethernet port. A dongle can also be added to the USB slot allowing Wi-Fi access. You get a Full HD screen, a superb contrast ratio of 3,000,000: 1 and 100Hz processing. There are myriad picture and display options in the on screen menu allowing for numerous settings and personal fine tuning. The picture quality was never going to be as good as some LED TVs costing four figures but it's far superior to the majority of 32 inch models out there.

The on screen menu is really user-friendly and everything is displayed nicely. The Toshiba 32RL858B's remote control surpasses other budget LED TV's look and appearance with a robust, solid feel along with a well organized button layout. As with any slim, modern TV you do not get the sound quality and booming bass from older CRT televisions but that's par for the course these days. This TV does hold it's own though in this department and the audio quality is more than adequate.

The Toshiba 32RL858B is an excellent piece of kit demonstrating fantastic value for money. The company tends to play second fiddle to some of the other big manufacturers when it comes to televisions but this set is definitely worth a look if you want a top quality 32 inch TV within the £ 350 to £ 400 bracket. A fine picture and great features make it one to consider.


The Importance Of Medical Biotechnology In Our Lives

Science has advanced to a very large extent and has touched our lives in every way. Biotechnology deals with living creatures and studies their functions. It is a science that uses technology to gain knowledge and invent medicines and create new ways to deal with problems that have challenged mankind. Medical Biotechnology is a constantly growing field and there have been many advancements in the technology of this field. It is also a highly controversial field and there are mixed reactions about the extent to which biotechnology can be used to manipulate science.

Medical Biotechnology is most commonly used to produce medicine. Many Biotech companies have emerged to solve the medical mystery of cures and inventions. It has been widely used to find out how plants for example can have medicinal value or healing quality for us. This is done by first identifying the plant if the plant has a healing quality. Plants have been around us for many years and have to be identified for cures. The way to do it is to test different bacteria against it. If it kills the bacteria, then the compound needs to be isolated. This is a very time consuming process since biotech companies have to try these products and make sure they are safe.

Genetic testing is another very important use of biotechnology. It is an extremely useful scientific process and requires a great deal of accuracy and precision. Gel electrophoresis helps in testing the different strands of DNA in cells. This is a very important discovery and it can help in various different ways, for example to identify the father of a child or a criminal in some forensic cases. There are many other uses of this testing and it will help us in understanding how we work and live. It can be used to develop different kinds of drugs to treat diseases. It can also be used to project if you may have a pre condition for some illness. This is very important to treat some dreadful diseases and save mankind.

Gene therapy is another upcoming field of medical biotechnology. Though it is very complicated, but its use can be extremely amazing. Through medical biotechnology, it has been discovered that viruses are spread by bacteria by injecting genes into animal cells. A lot of research has been done in this field to come up with different cures for diseases. This can be done by injecting some bacteria into people that will not harm them but actually help them. Biotechnology has also resulted in the evolution of Biofuels that are derived from sugarcane, plant vegetable oils, animal fats and recycled greases, thereby providing a cleaner and greener environment.

Many scientists are also doing cloning by which we can take DNA from animals and grow it to create an identical organism. This helps you make an exact replica of another species with precision that reaches every atom in the body. This is extremely controversial. If it is used for ethical purposes then it can be justified. but using it for unethical reasons can be extremely dangerous and controversial for the future of mankind. Medical biotechnology has many advantages if it is used in a way to enhance research or cure illnesses or prevent the onset of life threatening illness. It is extremely important to use it for better health and inventing new ways to cure illnesses. May be at last we have found the cure and the solution.


HP Pavilion DV9700z Series Laptop

When it comes to HP it is well known to everyone that it has been designed and categorized keeping in mind all the various needs and requirements of the users and that creative thought has lead to the invention of HP Pavilion dv9700z Notebook PC in market.

The notebook has a very classy look; feel and the design making it a complete package for the professionals as well as non-professionals. It's not only its external appearances rather internal features like its High-gloss / Anti-glare screen; wide-screen which gives clarity and lovely picture quality. It is the best notebook with such screen in this price range which makes it more compelling in comparison to other notebooks.

Its key pad is designed keeping in mind full ease of its user and makes it convenient for him / her to continue his / her work uninterrupted for long extended hours without feeling tired. It has a full-sized keyboard with separate numeric keypad; you control the volume and launch buttons by tapping or swiping your finger across a strip on the keyboard.

The body is made of strong plastic material and alloys make it a tough and strong body. The Pavilion dv9700z features the latest AMD Turion 64 X2 Mobile Technology processors for improved system performance when running multimedia applications at the same time. In addition the AMD processors also provide enhanced virus protection as well as longer battery life. It supports dual hard drives with up to 500GB of storage (250GB x 2) for keeping whole digital world.

This model also coves with optional Fingerprint security. Now there is no need for user to remember multiple passwords. What all is required is simply to finger across the optional integrated reader on the side of the panel to log on to your favorite notebook. Thus it provides advanced protection of documents and files.

This model is also well equipped for video chats. There is an integrated low-light VGA webcam (optional) and two Omni-directional microphones which helps user to stay connect with outside world.

Thus with this HP model one can enjoy a variety of entertainment in a secure environment with genuine Windows Vista. This series comes with genuine Windows Vista Home Premium, which includes Windows Aero, Windows Media Center, and instant search functionality.

So, if you are just dreaming for a notebook which is in your budget and which gives full digital experience then just go for this model.


Sony EBook Reader – Touch Edition PRS-600

The Sony Reader Touch Edition PRS-600 is an updated version of PRS-700 and is one of the top rated eBook readers.

Product Description
The quality and feel is excellent with a metallic case which has dull finish. The screen is of appropriate size for reading and the E-ink display. The touchscreen is responsive to a firm touch and pages can be turned with forward and backward buttons placed at the bottom left of the screen. The pages appear quite quickly but with the usual stutter of E-screens. Quick flipping of pages is provided by holding the pressure on the screen. Particular words and pages can be searched by a special feature. Pages can be earmarked for later reference and note making is possible either with the finger or the stylus. It can also be later erased. A virtual keyboard is provided. The screen comes in portrait or landscape form. Sony's eReader Store provides facility for downloading reasonably priced ebooks. The store even has books which cost below $ 1 and has teamed with Google books increasing the choice available to the user.

Technical Specifications
The screen has a diagonal display size of 6 "and has has levels of gray scale. storage can be expanded by a memory stick PRO or the SDHC card. The battery works for two weeks on a single charge. are 6.9×4.8×4 "(LxWxD) and weighs about 10 oz.

The Good
The back has a dusty rose look and is not glossy so does not create finger prints. It appears small but is quite solid and easy to use. It has a very stylish look.

The Bad
The E-ink display could have been better with slightly darker letters. Also there is no way of adjusting contrast. There is no backlighting to the screen. Text to speech function is not present. Internet capability is absent since one has to download eBooks with the help of a USB cable.


Motorola ZN300 Review – Mid Range Camera Phone MOTO ZN300 From Motorola

Looking back at times when mobiles phones were just introduced it's really enthralling to think that it has brought in so much revolution in the industry. Communication was the only motive in early models of handsets. But slowly and gradually as the technology improved and become more advance the mobile phones of today has become a single gadget that serves multiple use of camera, music player multimedia player, office planner and much more. Keeping up with the latest trend of the market Motorola has launched its new model called Motorola ZN300 which is a slider phone with exciting multimedia features.

Multimedia Features

The MOTO ZN300 offers exciting multimedia features. It has 3 mega pixel of camera that gives good quality images. The LED flash helps to capture the pictures even in poor light conditions. The auto focus feature along with 8x of digital zoom takes accuracy and clear images even of the far away objects. The videos can also be shot using the camera at speed of 15 fps. The phone has dedicated camera keys and camera mode switch that helps to shift between camera, video and review modes easily.

The camera of the phone has Capture and Review modes that controls the light so as to offer intuitive images. You can easily share your images and videos with your friends and family by transferring or printing them using the Bluetooth v2.0 technology.

If you are fond of social networking sites then Motorola ZN300 gives you ample of reason to get this phone as it has preloaded services of Facebook, MySpace, YouTube and Photobucket. You can publish photos, videos and blogs easily on these sites with a simple click of a button.

You can also enhance your creativity levels with the phone as it has video mixer that helps you customize your videos by adding them and adding sound effects and preloaded transitions to it. You can also create professional clips by mixing audio and photos along with the overlays and transitions.

For the music lovers the phone has a decent player which supports multiple file formats. The 3.5 mm of headphone jack is an advance feature of the phone. The phone also has FM radio where you can enjoy music at your favorite radio station.

Motorola MOTO ZN300 has exclusive technology called CrystalTalk that amplifies the conversation and reduces the background noise that gives excellent quality of audio when you are on call. The gaming option in the phone further enhances the entertainment experience.

Other Features

Beside the excellent multimedia functions, other features of the phone includes good display unit with TFT screen of 240 X 320 pixel resolution. The phone has slider keypad with raised and well spaced keys for easy and fast typing. The phone supports internet connection with EDGE, Bluetooth and GPRS technology. Opera Browser on the phone facilitates easy and fast surfing on the net. The internal memory of the phone is 8MB that can be extended using the MicroSD up to 32GB. Other applications that are standard like organizer, clock, calendar, alarm are present in the phone.

So if you want to enjoy the whole new exciting world of multimedia, then nothing can be a better companion for you that Motorola ZN300.


ZigBee RF4CE Vs Bluetooth

When Bluetooth was announced in the late nineties, it was positioned as making Wi- Fi redundant. Unfortunately it was not successful in this. Bluetooth is for short range (say a room), whereas Wi-Fi is for medium range (say a home, or a floor floor in a company).

Similarly, there is the narrow view that remote controls are just controlling your TV or STB a maximum 10 feet away. Bluetooth can do that limited job. Remote controls can be used through a home – covering multiple floors and rooms. Next generation remote controls are no longer just a short point to point application – they are an integral component of the whole house network.

Fortunately, the companies with vision have decided for ZigBee RF4CE as standard technology for remote controls. This includes companies like Sony, Comcast, Samsung, NEC, LG, Philips, Toshiba, Texas Instruments, NXP, Atmel, Freescale, etc. – all RF4CE steering committee members.

ZigBee – the low power spin-off of Wi-Fi – has the same range as Wi-Fi, allowing longer distances up to 100 feet away from the TV or STB.

This means that these wireless controlled devices can now conveniently be located out of sight or even out of the room. The superior range and performance also allows for operators to offer additional multi-room services as security, lighting control and / or energy management, etc.

On top of that ZigBee RF4CE offers a range of built-in standardized applications to support remote controls (ZRC), keyboards and mice for Internet TV (ZID) and 3D glasses for 3D television (Z3S). These features all include the exciting capability of ultra long battery life as provided by ZigBee, making changing batteries rare or redundant, when the battery life can even exceed the life of the product.

Bluetooth is good for short-range solutions around the PC or around the smart phone, and not for solutions that involve multiple devices anywhere through the home. In contrast, ZigBee RF4CE is a LAN technology, designed to link devices, sensors and controllers through a home.

The future will show that in the same way Wi-Fi and Bluetooth coexist, ZigBee and Bluetooth will coexist, and creating contention is just wasting time.

ZigBee RF4CE versus Bluetooth – which is more suited for the next generation home entertainment and automation network? Bluetooth is trying to do something that it is not good at, networking. Bluetooth is good for short-range solutions around the PC or around the smart phone, and not for solutions that involve multiple devices located anywhere through the home. ZigBee RF4CE is a LAN technology, designed to link devices, sensors and controllers through a home.


Panasonic LUMIX DMC-L1: Their 1st Ever Digital SLR Camera with Interchangeable Lenses

Panasonic has announced the launch date for the DMC-L1, its first digital single-lens reflex (SLR) camera with interchangeable lens. From 22nd July 2006 this camera will be available in Japan and already looks set to be a firm favorite.

Leica D Lens provides a superior optical performance and matches perfectly with the digital SLR camera body

The DMC-L1 has a new LEICA D VARIO-ELMARIT 14-50mm / F2.8-3.5 lens equipped with an aperture ring, focus ring and zoom ring, for easy, direct aperture setting. The focal length range is equivalent to 28mm (wide) to 100mm (medium telescopic) on a 35mm film and provides exceptional results.
The lens also provides outstanding macro shooting due to a 29cm minimum shooting distance (0.32x maximum magnification, 35mm equivalent) across the entire zoom range.

Superb image rendering with MEGA OIS

The DMC-L1 comes with Panasonic's Optical Image Stabilizer feature which minimizes jitter from shaky hands. Thanks to the gyrosensors and Venus Engine Plus LSI built into the lens, the system detects camera movement at a rate of 4,000 times per second
OIS features two further corrective modes. Mode one constantly and continuously compensates for movements, ensuring that the image in the LCD and viewfinder is always clear. Mode two only stabilizes the image the instant shutter button is pressed. Both modes work with the DMC-L1, providing consumers with outstanding benefits. Mode one will be available for Olympus users if they are using the new Leica D lens.

Refined design makes the camera a pleasure to hold and use

This new camera features a shutter speed dial on top of the camera body, enhancing the sense of camera control. Combined with a classic design this ensure the Panasonic Lumix DMC-L1 is distinct in both design and operation. The body periphery and grip are covered with textured, simulated leather ensuring a secure and comfortable hold.

Complies with Four Thirds (TM) * Standard

The DMC-L1 incorporates a live MOS sensor that conforms to the Four Thirds standard and offers 7.5 megapixels. It can be used with lenses made by a variety of manufacturers, giving users a host of equipment options. Noise is minimized by a special processing technology the runs on voltage as low as 5V.
* Four Thirds? is a registered trademark.

The power of the Venus Engine III LSI

The Venus Engine III is a newly developed image processing LSI which maximizes the performance of the Live MOS sensor. Offering high resolution, superior color reproduction and detailed gradation, the Venus Engine III also reduces noise to the level expected from a digital SLR, thus achieving stunning picture quality. The Venus Engine III also improves camera responsiveness supporting high-performance consecutive shooting and a short shutter interval. The Venus Engine III requires only 80% as much power as its predecessor and when combined with the Live MOS sensor's low energy consumption results in longer battery life.

Full-time Live View for a whole new style of Digital SLR shooting

The heart of a digital SLR is the mirror box unit, which integrates a quick-return mirror, viewfinder, and AE sensor. This, combined with the full-time image output function of the Live MOS sensor, achieves a full-time Live View function that displays the image on the LCD directly from the sensor signal. This incredibly useful function can be selected in both Auto Focus and Manual Focus modes. In Manual Focus, photographers can enlarge an image within the frame and then select the area focusing, making it easier to check the focusing condition on the large 2.5inch, high resolution, 207,000 pixel LCD. It is also possible to check the depth of field by pressing the Aperture button.

Shake off dust with the Supersonic Wave Filter system

A big problem with digital SLRs with interchangeable lenses is the possibility of dust getting inside the camera during the lens changes and contaminating the image sensor. If this happens, professional cleaning is often required. The DMC-L1 manages this problem by incorporating a Supersonic Wave Filter dust reduction, which uses supersonic vibration to shake off dust that might otherwise affect the image.

A Digital SLR offering home networking capabilities

As with all Panasonic Lumix cameras, the DMC-L1 is uses SD memory and is also compatible with mass-storage SD standard based on FAT32. This includes the coming super-high-capacity SD Memory Cards allowing more than 2GB (SDHC).


Unlimited Local And Long Distance Phone Internet Service Plans – Pros And Cons

In this article I’m going to go very slightly off-topic and cover something that’s not directly about computers, but definitely relates.

I’m going to talk a little about the pros and cons of those unlimited local and long distance phone internet service plans that you see advertised more and more these days — you know the ones, where you see them talking about phone service plans combined with internet services.

These plans come in two “flavors” — the first is usually offered by the phone company where they provide regular phone lines plus a DSL Internet connection with a discount for getting both together, and the second is usually offered by cable companies or another Internet Service Provider (ISP) where they are offering Internet telephone service plus the Internet connection itself.

Before I go on, let me quickly explain what the difference is between regular phone service and Internet phone (also known as VoIP, which is short for Voice over Internet Protocol, or Voice over IP).

VoIP, by the way, is pronounced “voyp”.

The difference between the two types of phone service is pretty simple.

Regular phone service is the traditional type of phone service that’s been around for a hundred years, where your phone is connected to a phone jack in the wall, then out over the telephone lines to the rest of the world.

Internet phone service (or VoIP) is where you have a phone (either a traditional phone with a special adapter, or a special VoIP phone) that hooks into an Internet connection and your phone call goes through the Internet to call any kind of phone — a standard phone, or an Internet phone.

So what are the pros and cons of getting phone service plans combined with Internet services?

Well, in both cases when you have phone service plans combined with internet services (Internet plus the phone service) you usually pay less than if you bought them separately — so no real pro or con in this case, as long as you get it as a package deal.

Traditional phone service is generally going to be more reliable than Internet phone service — it’s an older technology, and older technologies *generally* are more reliable than newer ones because they’ve had time to iron the bugs out.

So in other words, in many cases you’ll get a clearer sound on a traditional phone line, and you won’t ever get the little “dropouts” that you can get with VoIP phones.

By dropouts, I’m talking about something like when you talk to someone on a cell phone and their words sort of break up with lots of very short patches of silence mixed in with what you can hear. If you’re not sure what I mean, imagine a radio that someone is turning on-off, on-off, very rapidly, so you get a very rapid mix of sound, silence, sound.

This is fairly common on Internet phone service, and is caused when the Internet connection has so much activity that it interferes with the phone conversation.

Also, if you send or receive faxes, they often won’t work using Internet phone service.

A so-called disadvantage of using Internet phone service (that I don’t completely agree with) is that if the power goes out, so does the phone service, unlike a traditional phone line, which has its own power.

There’s a kind of funny TV ad I see the local phone company running out here in Hawaii that’s trying to discourage people from using Internet phone service — it has a voice-over that says something like “this is a recording of an actual Internet phone service emergency call during a recent blackout” then you hear absolutely nothing for the next few seconds.

The idea being if your power is out, so is the Internet connection, and so is the VoIP phone service.

Well, that may be true, but think about it for a moment — what percentage of people these days use old-fashioned corded phones still? Not that many people do anymore — most use cordless phones. If the power is out, a cordless phone doesn’t work either.

Of course the solution to that (and a lot of times, the solution to the Internet phone going out) is to use an Uninterruptible Power Supply, or UPS, which as I’ve mentioned in the past is a sort of battery backup that provides power when the electricity goes out.

Most people who use a UPS (everyone should, in my opinion, to protect their computer and other electronics) use it just for their computer. But it works just as well for cordless phones, cable or DSL modems, and even lights, to keep you going when the power goes out.

I have my cable modem that provides my Roadrunner Internet service hooked up to a UPS, and I’ve found that my cable service (including Internet) still works fine!

The last disadvantage — and this is a clear disadvantage — of using Internet telephone service is that in the case of emergencies, 911 emergency service is not always available, and even if it is available, emergency responders usually can’t figure out where you are, unlike traditional phones or cell phones.

So while it’s not a bad idea to take advantage of a good package deal on unlimited local and long distance phone internet service, for the time being, it might be a little better to stick to an offer that includes traditional phone service since it’s a little more reliable, and the cost is pretty much the same.