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Nano Silver technology is already adopted in many products because of its capabilities to destroy bacteria and germs on the objects covered with such silver-based layer. Silver properties are famous since the ancient times, when people were eating food using silver tools. Today, we find this feature on some laptop’s keyboards and computer mice, but soon you’ll be able to find special devices using Nano Silver technology that install to your home appliances including shower, in order to make your life healthier.

A South Korean company named Seo-Kwang is specialized in environmental-friendly products and plans to introduce multiple devices on the market, all featuring the Nano Silver technology, and the first regions where people will benefit from it include China, Singapore, Southeast Asia, and Middle East. Until then, visitors at the Korean Products Show 2008, Asia Electronics Exhibition 2008 and the Korean Products Show 2008 will have the chance to see these innovative products before the launching date on the global market.
The Silver Nano Colloid Technology developed by Seo-Kwang is based on DC electronic voltage applied on purified water with pure silver, which produces nano colloid solution with 99.99% pure nanoparticles.

Now let’s know each of the new products better.
From the company’s press release we discovered that there’s a Colloidal Silver Maker device that uses purified water and a silver bag which last up to 5 years of use. This device is meant to eliminate bacteria, lead, fluorine, arsenic, phenol, benzene, ethyl benzene, and copper from the drinking water.
On the company’s website we found the Silver Solution Maker that produces refined, distilled water, having a capacity of 500cc and powering from a normal DC adapter.
You could use it for sterilizing your kitchen tools, for cosmetic cleaning, and its overall benefits include prevention of infectious diseases from pets, illnesses, eye diseases, itching, athlete’s foot and others.
It is available at 360,000 won, about $250 after the conversion, at the time of writing.

With a Silver Nano Perfume Ejector you could breather a purified air and feel the lemon or lavender fragrances spread in the air by this smart device, which combines the perfume with 99.99% pure Nano Silver particles. As an alternative, it can also mix water particles with Silver nano ion to sterilize air and eliminate bad odors at the same time. Applicability includes hospitals, public bathrooms, postpartum care center, kindergarten and others, where it not only removes bad odors but also the paints’ smells.

The Air Purifier from the company’s website powers from AC 220V and uses the electric dust-catching system without filter, producing both positive ion and negative ion.
It costs 298,000 won, or about $207.
For the shower, there’s another device called the Silver Nano Shower with bathtub, which uses instant voltage to create electrolysis and release Silver nano water particles.
A Silver Nano videt is in development phase and will be revealed soon. It is based on the same system as the Silver Nano Shower.

The Silver Nano Active Insole takes care of your v and eliminates feet odor, reducing sweat. It is in charge with air-circulation, Silver Nano purifying and silicon cushioning, all in an ergonomic design for use at home.

I was telling you about the Colloidal Silver Maker that produces purified water, which can be used in cosmetics, to clean your face for example. Well, the Nano Makeup Cosmetics device has this function plus it produces gold nano, platinum nano, pearl nano and jade nano. The platinum nano improves collagen and thus makes your skin cleaner, while the pearl nano makes your skin whiter and healthier.
This device fits all age groups, according to Seo-Kwang.

TechPin invites you all to a new giveaway of the month!!! You have the chance to win one of the 3 color Shades for iPhone 3G we have prepared for you. All you have to do is post a comment on this article and tell us what kind of cell phone cases you prefer and why.



Shades are iPhone 3G and iPod cases recently launched on the market, coming in 12 cool and fashionable tones to cover your handset and protect it at the same time. Even if they are extremely thin at just 0.4 mm and lightweight, Shades iPhone 3G cases are made of Polyurethane which ensures not only a high degree of durability, but also a soft touch feeling and flexibility. In addition, the Shades are 100% recyclable.
After inserting your iPhone 3G into one of these color Shades the touchscreen area remains clear, while the margins and the back reflect a gentle and vivid color tone, leaving all the handset’s ports available for full access.



Usually, plastic cases are preferred instead of silicone models, not only for the price difference but also for being wrinkles-, dirt-, grease-, and water stains-resistant. More than that, they are easy to clean with water and soap, if you don’t have window sprays around.
Personally, I always look for transparent cell phone cases instead of leather models, because I like to see how cool my cell phone looks like every time I play with it, instead of hiding it inside a black leather case. And if it’s about an iPhone 3G, you could call it a crime.

Available online, on the official product’s page at an affordable price of $16.95, Shades iPhone 3G come in Clearly Original for full transparency, Aqua, Serene Green, Rosy Red, Sunrise Orange, Sunshine Yellow, Midnight Black, Cool Blue, Hot Pink, Ultra Violet, and Black & Clear.



The 3 Shades are now waiting for you. Just dare to share your preferences with us and you might be the fortunate one! Good luck!

Maybe you had the chance to read our previous article explaining what is HDMI. Now we’ll make a step forward in finding out more about this new type of television panel that the HDMI cable connects your High-Definition sources to.
You have probably seen HDTVs in large electronics stores and were stunned by the high image quality. This happened to me too a while ago, when passing by some LCDs and Plasma TVs, at the moment when a spectacular video clarity stopped me.
This new digital television broadcasting system is the most advanced providing the highest resolution possible at the moment, using less bandwidth for the appropriate video compression level.

While standard definition television uses 720×480 pixels or 720×576 pixels for the videos, being characterized by 480 vertical lines of resolution, HDMI features 720 horizontal lines, and enables resolutions of 1024×768, 1280×720, 1366×768, 1280×1080, 1920×1080 and 3840×2160. The latter represents the Quad HDTV format for the upcoming DCI Cinema 4k standard which will be available after 2015.

Like any new technology, HDTV has advantages and disadvantages. Among benefits of watching TV shows on such an advanced display are the high quality of the image, smaller pixel squares discovered when you watch the panel close compared to LCDs, sharper image, and the fact that High Definition images are broadcasted together with Dolby Digital 5.1 surround sound for a perfect video and audio experience.

At the moment, the main disadvantage I found after discussing with one of my colleagues is that you can’t receive High Definition if the source is not compatible with this standard. You’d need the video source to be HD-enabled as well as your TV panel, in other words, all your audio/video equipment has to support High Definition, starting with the source and the video, and ending with the HDMI cable and your TV panel. And not at last comes you budget, which has to be big in order to get the best.
If your cables are S-Video or Component, the image on the television will still be great but not as good as it gets, and in this case you’d realize there was no point on spending so much money on HD if you can’t use it.

To show you a bigger picture let me do some calculations for you.
A High Definition Multimedia Interface cable costs around $20, while a 40-inch Sony BRAVIA HDTV can be found at around $4,000, so together with the TV broadcast subscription to can reach $4,500.

Another aspect is that digital television freezes during interferences, unlike standard definition television, where the image you see is just trembling for a while.

After identifying the compatible broadcasting source which has to be HD and not SDTV, in order to avoid making the image quality worse due to scaling artifacts, you’ll need to find also some additional HD solutions such as a HD tuner for over-the-air digital broadcasts, if it’s not built into the TV panel by default, video game consoles like PlayStation 3 or Xbox 360, Blu-ray Disc players, or computers with HDMI connectivity on their graphics card, if you want to play some cool video clips from vimeo, one of the best places when it comes to High Definition video content.
On vimeo you can watch 1280 x 720 videos, as well as upload you favorite collection for others to see.

One example of TV channel broadcasting in High Definition format is abc, which is one of the first channels using this new format in the United States.
According to Kagan Research, by 2010, 81% of the households in the US will have High Definition TV panels.

(Thanks for the tip, Codrut Nistor!)

We managed to gather the best rated portable DVD player models from 4 trusted reviews sources and created for you a top of the best portable DVD players. We searched through CNET reviews, TestFreaks, Reevoo and alaTest website, choosing the highest rated model from each of the top 5 brands, so here they are:

Sony DVP-FX820 scored 3.5 stars from a total of 5 on CNET with bad points for the fact that it doesn’t feature a USB port, flash card reader nor support for DivX video files, the latter being one of the most important features a DVD player should have, in my opinion, reason for which I’d rate it only 1 star.
The same system is among the best portable DVD player models on TestFreaks as well, where expert reviewers say it’s a little heavier than other similar devices, but a great 6-hour movie player with a friendly interface.
Features include the 8-inch widescreen LCD of 800 x 480 pixels with flip and swivel system, dual sensor for remote control, 2 headphone outputs, AC and Car Adapter, while the supported file formats are: DVD/DVD-RW/DVD-R/DVD+RW/DVD+R/DVD+R DL, CD, MP3 and JPEG.



The DVP FX870 with Anti-Shock Design, powerful speaker and DivX support on Reevoo has a very high score from customers who tried it and say they like the display quality a lot, as well as the number of features, overall design as well as the value for money, being available at about £168 in the United Kingdom.
Sony DVP FX850 on alaTest has an Excellent score but small disappointments are still caused by the weight.

The next best portable DVD player comes from Philips and is called Philips PET835, a stylish system available at around $340, providing a good image, enough brightness, and an overall satisfying movie experience from any position you feel comfortable in.
Some customers complain about the price being too high, which I must say I agree, plus the lack of memory card slot.

Philips PET830 scored 9.1 points out of 10 for the ease of use, image and sound quality on the 8.5-inch display, multiple formats support, while one bad aspect is the short battery life of just 3 hours playback.
It can play DVD, DVD+/-R and DVD+/-RW, (S)VCD, DivX & MPEG4 movies, MP3/WMA-CD, CD, CD-RW, and supports JPEG sharing with Picture CD.
CNET reviewers prefer the Philips DCP851 version of this nice portable DVD player, because it is easy to use, has a card reader, supports DivX movies, but they didn’t like the short battery life of 2.5 hours and the fact that the image seems kinda washed out.



The next brand is Panasonic with its DVD-LS86, which on CNET scored 3.5 points for the multiple format support, long rechargeable battery life of no less than 13 hours, AV connectivity and car charger. It seems that the missing remote control, USB port and card reader, as well as the average image quality, are not on reviewers’ taste.
TestFreaks preferred the 8.5-inch Panasonic DVD-LS83 Version with an 8.8 score, because the 150-dollar system has been caught cheating with the battery life. Instead of lasting up to 6 hours as advertised, it doesn’t last longer than 3 when used. Customers complain about the poor image brightness too.



Toshiba SD-P71S 7-inch model impressed with its long battery life, a stylish remote control, car charger and the AV connectivity, reaching a score of 3 points. Same as in other cases mentioned, it lacks the USB port, card reader and DivX.

In TestFreaks’ case, Toshiba SD-P2800 with score of 10 out of 10 and a price of $345, seems a bit heavier than other DVD players, but has a larger display of 9 inches in diagonal with an acceptable resolution, so all users like it.
The same model from Toshiba is encountered also among the best portable DVD players with an Excellent score at alaTest. Here, users, instead of being happy of its large size, considered the size an impediment in carrying it.



The following brands that are among top 5 best portable DVD players, are unique for each reviews website. The first one from CNET is Insignia with the NS-PDVD10 model sporting a large 10.2-inch display, long battery life, but a less impressive design, no USB port, no card slot or DivX support. Still, it has a 3 star rating.



On TestFreaks you can find the Coby TF-DVD7377, a 100-dollar system with good value for money, but nothing more.
Features include the 7-inch display, USB port, 180-degree swivel system, 2 headphone jacks, card slot, and parental lock control.
Ferguson LDVD-200 on Reevoo is said to deliver great images, but missing the possibility to control the sound volume when using headphones.

On the same site there’s Daewoo DPC7400 available at around $200 providing a great value for money system. Next there is the Polaroid PDU 0733 7 with nice picture quality, a slim design, and surprisingly no complaints. Goodmans GDVD80W12 is another affordable model among best portable DVD players, according to Reevoo. It is easy to use, has good image quality, but the sound clarity is not as expected.



alaTest makes us want to try also the JVC KD-AVX33, sporting a sleek design and supporting lots of video and audio sources even if it’s screen is small. What not that good is the slow way you have to browse through these sources, but at $425 it should be a good multimedia player for any occasion.



The last player I will describe is the Xoro HSD 7105 with a rating of Very Good on alaTest. It is stylish and sleek, being available at a price of just $120. Features include a 7-inch display, stereo speakers, parental lock, and the following supported video formats: DVD, SVCD, VCD, MPEG4, CD-R, CD-RW, DVD+R/RW, DVD-R/RW, and Kodak Picture CD.

What is HDMI? -As you have already heard, HDMI, which comes from High-Definition Multimedia Interface, is the most advanced digital audio and video connector existent today on the market. A single cable provides not only High Definition video content on your display, but also outstanding sound quality with 8-channels digital audio at 192 kHz sample rate with 24 bits/sample. It’s the best and an affordable solution for connecting your HD-enabled devices such as HD DVD player or Blu-ray player, to your High Definition TV, because this type of cables can be found at low prices of around $10. Experts recommend you to get the cheapest HDMI cables you can find in stores and avoid expensive solutions, as long as all enable the same high-quality content.

How to recognize HDMI cables? Well, HDMI cables have 19-pin connectors and look like in this image, where you can see the differences between it and the other cables used today for video.



Coax or RF cables are for digital and analog video/audio, Composite Video supports analog video same as the S-Video, while the Component Video is that cable with 3 Red-Green-Blue connectors for both analog and digital video signals. DVI is the most advanced cable after HDMI, and supports only High-Definition digital video signals, requiring additional audio connectivity like all the other cables mentioned.

HDMI instead, brings all together via a single cable, and its connector’s pins have different functions such as carrying Transition Minimized Differential Signaling data channels for DVI and HDMI high-speed digital data, enabling signals synchronization, sending command and control data between connected devices, enabling communication of Extended Display Identification Channel information between the 2 connected devices, carrying low-voltage power supply, and monitoring power up/down and plug/unplug events.



Even if there are different versions available, there is the same type of cable. They feature different bandwidth increase levels and additional capabilities. For example, HDMI 1.0 released in 2002 has a bandwidth of 4.9Gbit/sec, with 3.96 Gbit/sec for video and 8-channel audio. HDMI 1.1 appeared in 2004 with additional support for DVD Audio, while one year later, HDMI 1.2 brought support for Super Audio CDs, HDMI Type A connector for PC sources, support for native sRGB color, and support for loq-voltage sources. In the same year, HDMI 1.2a came with Customer Electronic Control features. In 2006, HDMI 1.3 enabled bandwidth up to 10.2 Gbit/sec with 340 MHz, added Deep Color support, Audio video sync capability, support for Dolby TrueHD and DTS-HD Master Audio streams, and the Type C mini connector for portable devices. 2 years ago, HDMI 1.3a adjusted some features, same as with HDMI 1.3b.

Another aspect is the cable length. All types of cables used for audio, video and networking can be installed up to a recommended length such as 100 meters, to avoid signal loss. Additional devices, such as repeaters, are meant to amplify the information on the cables after that length limit and currently the best solution is, of course, optical fiber, which can be used without amplifiers on a distance of much over 500 meters.

In the case of HDMI the maximum cable length depends on construction and materials it is made of. With this occasion we’ll also find the answer to the question “which HDMI cable is better and why?” because we will see that there are 2 types of HDMI cables introduced by the HDMI 1.3 standard. Category 1 supports 1080i/720p with 74.5 MHz, and Category 2 was tested at 4600p with 340 MHz, so yes, you could say the second type is better because it enables High Definition imaging on higher-resolution displays like Wide Quad eXtended Graphics Array of 2560×1600 pixels and with a 16:10 aspect ratio. If you have smaller monitors, then you don’t need to go for it, but rather choose the HDMI Category 1 cable type for a widescreen aspect ratio of 16:9, 1920 pixels horizontal resolution, and 1920 × 1080 frame resolution of up to 2.07 million pixels.
About their length, let’s say that if a Category 1 cable is made of materials like 24 AWG conductors it can reach 15 meters, and when extenders are used, cables can exceed 100 meters if based on fiber optics technology.



Today, devices with HDMI support include television panels, computer graphic cards, mainboards, the PlayStation 3 gaming console, Blu-ray players, high-end multimedia projectors, and some portable media players. All are available at higher prices compared to non-HD systems, but the image quality they enable is amazing and totally different than what you were used with before.

(Sources: Philips; Wikipedia)