Category Television

Recycle Old Televisions Safely

The WEEE Directive (Waste Electrical and Electronic Equipment Directive), implemented in the UK during 2007, requires environmentally safe disposal of a number of appliances and consumer or business electronics, including the requirement to recycle old televisions.

Because of the growing demand for consumer electronics that contain toxic substances and poisons, the landfills have specific guidelines for recycling to keep these chemicals from leaching into groundwater tables. What this means for business owners is that all computer and IT equipment must be recycled or be properly disposed of. Consumers should also ensure that old televisions, computers, refrigerators, freezers and other electrical or electronic devices are recycled and do not end up in landfill.

Most people might not be aware that the average PC contains 100 or more poisonous or toxic chemicals and substances. In CRT televisions, the Cathode Ray Tubes contain phosphor, cadmium and lead in high quantities. When it comes time to retire an old television, there needs to be safe disposal guidelines followed because these substances are contained in a high pressure vacuum that can cause glass to fly at high velocity and substances to be inhaled when the tubes are broken. For this reason, and due to their high toxicity, they cannot be disposed of without proper care. When you need to dispose of a television, do you know what you need to do?

If you are like most people, you probably aren’t aware of the responsibility until after you have purchased their new television. At this point, you realise that you need to somehow dispose of the old television, but are not sure what to do next. Whether you are a consumer that needs to get rid of an old television or a business owner that needs to dispose of old CRT computer monitors, you can contact a licensed waste carrier to safely dispose of or recycle the equipment. The Environment Agency has licensed waste carriers that are trained to properly recycle old televisions, IT equipment and other electronics and they can provide the proper disposal techniques and documentation, if applicable.

Besides the safety of the environment, there are advantages to the programmes and directives that are put in place. When you recycle TVs, there are a number of benefits that these licensed waste carriers provide. If it is a working CRT television or CRT computer monitor, it is possible that refurbishment can provide new life to the equipment and it can be used in charities, schools and third world countries that are too poor to afford this type of equipment. Not only does this cut down on landfill space and make the environment safer, but it helps those less fortunate have some luxuries that those better off take for granted.

It is your duty to be a responsible consumer or business owner and proper disposal or recycling of electronics can make the environment a safer place. Make sure you do the right thing by ensuring your old televisions are recycled properly and don’t end up in landfill.

Find out more about how to recycle old televisions properly by visiting www.RecyclingYourIT.co.uk.

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What is Radio?

The idea of electromagnetic radiation was first set out by Scottish Physicist James Clark Maxwell in 1865. he expanded on work done by Michael Faraday At the time no-one had a clue that they would lead to so many discoveries, including the radio filled world we live in now. In fact, for the next few years, although several people worked on Maxwell’s equations, and Heinrich Hertz famously proved the theory correct, no one had any idea that there were practical uses for electromagnetic waves.

Coming from right down at the bottom of the electromagnetic spectrum, radio waves can be identified as having a frequency lower than 300 GHz and/or a wavelength longer than one millimeter, but within the radio spectrum there are many bands of wavelengths which are used for different purposes. The very lowest band however, with wavelengths longer than 100,000km, is unused – radiation of this type is natural and originates in the earth, the atmosphere, the sun and the other stars. Above that, the Extremely Low Frequency (ELF) and Super Low Frequency (SLF) ranges are reserved for use in communication with submarines deep below the sea.

Very Low Frequency (VLF)radio waves have a frequency between 3KHz and 30 KHz. They are somewhat easier to handle than ELF, but can only penetrate the sea to around 130 feet depending on the precise frequency used and the amount of salt in the water. They are used to communicate with submarines and for communication inside mines, avalanche beacons and wireless heart rate monitors, the type used in fitness training. VLF is also used in radio navigation beacons and for time signals.
The range below 9 KHz has not been allocated by the ITU (International Telecommunication Union) and in some countries it can be used without a license. Whistlers, very low frequency waves (usually) generated by lightning are often found in this range, most between 3 and 5 kHz. It was this type of radio signature that the spaceships Voyagers 1 and 2 detected around Jupiter, leading scientists to conclude that there was lightning on the giant planet. Hiss is yet another type of ELF/VLF wave in this case generated by the plasma in the Earth’s magnetosphere or ionosphere.

Band five, the low frequency band is used for navigation, AM broadcasts (long wave) and time signals, while band six, the 300-3000kHz band is used for all medium wave broadcasts. Band seven is the region of the EM spectrum of interest to radio enthusiasts as this includes the amateur radio wavebands – wavelengths of 10 to 100 meters. 10 meters is typically used for amateur radio, while CB radio uses an 11 meter wavelength.

Beyond this range, in band 8, lies VHF with television and FM radio. Band 9 includes televisions, microwave ovens, mobile phones and wireless LANS as well as blue-tooth and GPS systems. Band 10 is described as Super High Frequency and devoted to microwaves, wireless networks, radar and wireless USB while the Extremely High Frequency range (EHF, 30 to 300 GHz) is used by radio astronomers and microwave radio relays. These radio waves have a wavelength between one centimeter and 1 millimeter and are not suitable for us over long distances. Rain, for example, can absorb the signal and reduce it’s strength.

Beyond EHF is the highest part of the radio spectrum (but not the electro magentic spectrum) known as the Tera-hertz range as it falls between 300 Ghz and 3 Tera-hertz and has a wavelength between that of microwaves and far-infrared light. It has only recently become possible to generate radio waves in this Tera-hertz range at room temperature, previously super cooled equipment had been required. Scientists are still working on applications for the technology, however it seems likely that Tera-hertz waves (t-waves for short) will be able to penetrate both skin and fatty tissue and hence could be used as a possible replacement for x-rays which are far more harmful. They may also be used for imaging teeth. T-waves can also penetrate fabrics and plastic so may be used in security systems to scan people for concealed weapons.

CB occupies only a tiny portion of a tiny part of the vast spectrum of electromagnetic waves which range all the way from the huge wavelengths of radio to the tiny wavelengths of gamma rays which are smaller than the size of an atom. But don’t let their tiny share of the EM spectrum fool you. Radio waves are easily able to change our lives.

If you would like to learn more about CB radio or 10 meter radio you can visit us at ThorsCBradio.com.10 meter radio has become more popular because they offer greater power than a traditional CB radio.

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Lcd Tvs And Led Tvs “?” Jargon Buster

When investing in something exciting like a new television, the last thing you want to happen is for technical jargon to take the edge off and put a dampener on things, so here is a jargon buster specifically for LCD, Plasma, High Definition and LED TVs:

LCD Liquid Crystal Display. The technology used to create some flat screen televisions which allows for clear and crisp images whether watching television or playing games through your TV.

LED Light Emitting Diode. Light Emitting Diodes are used in conjunction with LCD technology to give a bright, backlit image which is clear and visible no matter what the surrounding light conditions are like.

HD High Definition. HD produces significantly better picture quality than SD (Standard Definition) which all televisions used to fall under. This is because it has one to two million pixels per frame, approximately five times that of SD, meaning the picture quality is sharper, clearer and more lifelike.

HD Ready This means that the television, computer monitor or laptop youre buying supports High Definition technology and you will be able to enjoy those programmes and games which are filmed in HD and offer a more realistic viewing experience.

Plasma Technology which has allowed television screens to become bigger and bigger without losing picture quality in the process. Plasma TVs are still the preferred choice for those opting to buy a TV which is larger than 42 inches in diameter.

Wi-Fi ready Wireless Fidelity. The name given to a device which can connect wirelessly to the internet, most commonly associated with laptops and mobile devices, but can now be applied to any device which can be used to connect to the internet, including televisions that are Wi-Fi ready.

Resolution This refers to the number of pixels per frame; the more pixels there are per frame, the higher the resolution and the better the picture quality.

3D DNR 3D Digital Noise Reduction. This is a feature which is built into many televisions to reduce picture grain and emit as clear a picture as possible.

50Hz / 100Hz The frequency at which the electrical current is transmitted to the user from the power source; the faster the frequency, the clearer and more flicker-free image the television will relay to you.

IPS In Plane Switching. This was developed in the late 1990s as a way to overcome the limited viewing angle of flat screens on televisions, laptops and so on, as well as to improve poor colour reproduction. Due to the expense of this technology, it was initially reserved for monitors used by people such as graphic designers but as the price dropped, the technology has been adopted in mainstream products, for example Panasonic LCD TVs incorporate this technology, allowing them to produce a high quality image without the excessive energy consumption that the original IPS technology used.

DLNA certified Digital Living Network Alliance. Having this certification means that the manufacturer has signed up to an alliance which means they are offering consumers standardised ways to operate technology and means their items are as compatible as possible with other devices.

HDMI High Definition Multimedia Interface. A compact interface for transmitting uncompressed audio or video data; this is a way of connecting everything from Blu-Ray and DVD players, to games consoles and set top boxes, to your digital television or computer monitor. Digital TVs will often have up to four HDMI connections.

Check the product specifications online for all the information you need before you decide whether LCD TVs or Plasma TVs are right for you.

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The Technology Behind LCD Televisions

Nowadays LCD TVs are a lot better and more improved than a few years back. That is because the technologies have been perfected. And don’t think that you have to pay a fortune to get your hand on an LCD TV. Due to large competition the various brands have lowered the prices so that to attract customers. This, of course, is for the benefit of the consumers who can buy an LCD TV that is dramatically better than their old TV with a lot less money.

Different televisions offer different features. But don’t think that you need all of them. Some of them you won’t even know if they exist or not. Most of the consumers just need an LCD TV to watch movies, soaps or sports and not too many fancy, difficult-to-spell features. The price mainly has to do with the size of the screen. Most people turn their attention on 32″ because they are efficient and do not cost much. There are others, though, who want more gadgetry and they tend to buy 42″or 50″. But in order to buy that large TVs you should have enough place.

If you are on the market looking for an LCD TV make sure that you won’t be misled. Things are not always as they seem. And that is the case with display models as well. Although, you see a bright picture on the stand that may not be the actual performance of the TV when you take it home. Check the settings carefully so that you won’t buy something that will disappoint you.

Another key factor that you need to check is the high definition potential of the television. There are the televisions that are advertised as HD ready. But you know better than that. Although, their performance is good enough it is not the best. For high definition to have the maximum effects the TV should have Full HD or else 1080p.

Also, there are a few things that you need to know about connectivity. What you get is the HDMI ports, and you can be thankful if you get three and OK with two. Also, there are one or two scart sockets to connect other devices, as well.

To conclude, LCD TVs have improved a lot over the past few years and the development will certainly not end here.

Read all about the technology of LCD TVs on http://www.best32lcdtv.com

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Radio

Some cool radio images:

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Image by Thomas Beck Photo

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Cool Morocco Tv images

Some cool morocco tv images:

Earth Information Day at COP22
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Image by World Meteorological Organization
Earth Information Day at COP22

Earth Information Day at COP22
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Image by World Meteorological Organization
Earth Information Day at COP22

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LCD and CRT Televisions Death Match

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by velkr0

Are Liquid Crystal Display or LCD TVs leading the way? Until the late nineties, Cathode Ray Tube TVs or CRT TVs were the standard, as well as the norm. Due to the demand, Sony – the technology giant started phasing out CRT production. Does it mean that the LCD TVs are better compared to the CRT TVs? Let us compare some advantages and the disadvantages of the two types.

Brightness:

As Liquid Crystal televisions contain more components compared to CRT TVs, it gives the advantage when brightness is talked about. LCD televisions are twice as brightly lit as the CRT monitors.

Color:

Clarity and quality of color is better on Cathode Ray Tube or CRT monitors compared to standard Liquid Crystal Display televisions. New monitors are TFT VGA LCDs and they make all differences. By putting them side-to-side would cause difficulty in spotting quality difference.

Contrast:

Old LCD TVs were not so good when in dim situations. Contrast settings of Cathode Ray Tube or CRT TVs portray light situations like they should. However, our new era of LCD TVs is better in coloring tones compared to before. If you’ll put a new LCD TV and a standard CRT TV side-to-side, difference is negligible.

Size and Weight:

Comparison in this area is just very obvious. Almost every LCD TV is a flat panel. It means that they’re easy to control and be placed in different places, even tight spaces. Liquid Crystal Display or LCD TVs could be just as thin as an inch. LCD TVs could appear to be the smallest among devices like pocket PDAs. Cathode Ray Tube or CRT TVs are not just ugly and fat, they could also weigh up to 20 kilos more than the LCD televisions.

There are more items that you could use to compare purposes like screen burn, screen flickering, power consumption, dead pixels, rack mounting, magnetic interference, video sources, and response time.

Finally, Cathode Ray Tube or CRT TVs were better than standard LCD or Liquid Crystal Display TVs, however, today’s technology have moved forward to make better screen types.

Get LCD and Plasma TV at real wholesale prices only from Wholesale LCD TV

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Nice Audio photos

Check out these audio images:

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Image by Terry Freedman
audio surveillance zone

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TV

Some cool tv images:

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Image by Harry Wood

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on of those times where i’ve been bored, so just played around with the camera

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