Full Spectrum Daylight Bulbs – Simply Light Years Ahead!

Sunlight is a vital nutrient, which regulates the activity of the hypothalamus gland that secretes seratonin, controlling our moods, biorythms, sleep patterns, body temperature, digestion and sex drive.
In addition, the photochemical action of sunlight on our skin activates the production of vital Vitamin D essential for growth and maturation of cells, the maintenance of the bones and a healthy immune system.

Most of us don’t think of ourselves as light deficient yet research shows that even on an average overcast day our seratonin levels fall and we can become depressed, moody, irritable, gain weight from overeating, develop carbohydrate cravings, become insomniac or sleep excessively, suffer from lethargy and fatigue, lose our sex drive, lose concentration easily or just feel extra stressed.

Indeed most of us tend to be confined indoors in homes or at work – artificially lit with narrow spectrum, low intensity light for as much of 90% of the day! A season-less perpetual twilight existence indoors day in- day out, its no wonder we get a yearning for natural sunlight and we instinctively pine for sunny holidays. Longer term, the effects of this so called ‘light pollution’ puts stress on the body and eyes and may even compromise the body’s immune system.

Switch on the lights and the Biobulb Full Spectrum Electronic Daylight Bulbs safely and gently bathe you in the glow of mood enhancing, life giving ambient simulated daylight replacing those lost hours of daylight and helping to alleviate a whole range of conditions from anxiety, sleep problems, fatigue and low energy levels, depression, eyestrain, headaches, jet lag, libido, hyperactivity, irritability and give us drive, vitality, mental agility, alertness and energy to face the challenges of the day. Research also shows full spectrum daylight can even help to lower blood pressure and cholesterol levels as well as significantly increase cardiac output.

On at night – the light emitted from the bulbs appears in the room as if illuminated by natural daylight. But by day the light emitted from the bulbs is so close to natural daylight that it’s light merges into the natural daylight of the room – making the room naturally brighter, gently stimulating the senses – yet most people would be blissfully unaware that the lights were switched on at all! That’s the magic of Biobulb Full Spectrum Electronic Daylight Bulbs

And apart from the profoundly positive influence on mind, body and soul Biobulb Full Spectrum Electronic Daylight Bulbs are also proven to be the kindest light for the eyes – excellent for reading and writing as well as intricate crafts including needlework, drawing, painting, sewing and so on. Projecting a pool of near daylight, it allows us to read and carry out intricate work in more comfort, giving better vision, fewer headaches, less eyestrain and a much better appreciation of fine detail and especially recommended as the best possible light source for computer work or watching television. Not to mention the dramatic effect the light has on the growth of your indoor plants and the mood and well-being of pets!
Biobulb Full Spectrum Electronic Daylight Bulbs are a new compact style daylight bulb at a new compact price! This brand new ‘Biobulb’ out performs our old model as the full spectrum has increased to 380-780nm and the light output in lumens has increased to 1750 in the 100w and 1250 in the 60w. The Full Spectrum Biobulb is claimed to be the closest replication of sunlight, radiates less heat and can last for 10,000 hours. They are flicker-free and with a colour rendering index of 85 are ideal for sufferers of S.A.D. Biobulb Full Spectrum Daylight Bulbs – Simply light years ahead!

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The Digital Television Revolution

The 2012 London Olympics really brought home to me just what a massive technological jump in digital media has occurred during the last few years. There has been significant advances in digital compression and transmission.

This year, in addition to high definition broadcast, which made its appearance in the 2008 Beijing games, 3D television was also added to the line up, offering more channels and choices. With analogue television broadcast almost becoming extinct, digital televisions promise of delivering more for less has become a reality. Now, how did we arrive at this point and what does the future hold for digital multimedia?

Prior to the digital switchover, analogue television was resource hungry in terms of the amount of bandwidth required to carry a single channel. This is typically between 6 – 8 MHz depending on the type of video standard being used. This limited the number of channels which could be transmitted, since there is a finite amount of spectrum that must be shared with other services such as mobile, radio and two way communications.

What the digital standards of ATSC (North America) and DVB (Rest of the World) provided was the ability to reuse the existing analogue spectrum more efficiently. This meant a typical 8 MHz carrier used for analogue broadcast could be converted to DVB-T (Digital Video – Terrestrial) making it possible to carry 9 standard definition channels or 3 HD channels plus one SD channel for the same amount of bandwidth.

It would have required in excess of 70 MHz of frequency spectrum to achieve this with the old analogue standard. In addition to squeezing more channels into less space, digital television is much clearer and doesn’t suffer from ghosting or other artifacts which troubled analogue systems. Being digital also allows other features like improved digital sound, electronic program guide and subtitle support to be included.

Televisions are sold with the digital decoder integrated and older televisions can use a separate set top box. As technology advances, we will also see improvements in the compression techniques used, which means even more content for digital media, already this has enabled 3D broadcasts for some events such as the Olympics.

The Future

Eventually as fibre to the home is deployed worldwide, the all IP enabled set top box will replace the DVB standard, since the IP set top box has a distinct advantage over digital broadcast technologies, specifically multicast join requests. Unlike DVB-T or DVB-S, IP multicast allows the receiver to send a join message to the network for the desired channel then if the request is successful the broadcast is routed to the receiver, only the bandwidth for the requested channel is used. With the DVB standard, all available channels are being broadcast simultaneously, and the channel count is limited by the finite amount of channel bandwidth regardless of the compression techniques being used.

The IP set top box can support both selective multicast (one to many) and on demand unicast (one to one) broadcast, this allows for virtually unlimited amount of content. However, unlike DVB, IP set top boxes have to worry about latency and QOS, since there is traffic contention with both residential broadband and IP Telephony. A poorly implemented IPTV deployment can behave like analogue television in an over subscribed service provider network, unless the correct traffic management is in place.

High Definition

Today HD is regarded as premium content by most operators and is charged at a higher rate than SD (Standard Definition). However, over time this will change as people upgrade their televisions to HD models. Today there are two standards for digital HD broadcast, 720p and 1080i. The ‘p’ means progressive and the ‘i’ means interlaced. In 720p broadcast, the picture is made of 720 horizontal scan lines and a vertical resolution of 1280 pixels, which has the advantage that one frame represents a complete image.

In 1080i broadcast, the picture is made from two 540 horizontal scan images which when combined make 1080 lines. The vertical resolution becomes 1920 pixels. Most modern televisions support playback of 1080p, which is definitely more desirable than 1080i especially in fast moving sequences where motion blur can be experienced. However, on modern televisions the difference is barely discernible.

Initially the public uptake of HD was slow, the receivers were expensive and the available content was limited. HD television has really been an evolution rather than a revolutionary change for most of us and this is also true of digital television in general. As digital switchover continues worldwide and consumers replace their televisions, digital will become the new standard. However, it is unfortunate that technology won’t help to improve the content.

All About LCD Televisions

LCD televisions are generally known as Liquid Crystal Display televisions which generally use the LCD TFT technology, offering the users crystal clear display of the images. In general, the advantages of the LCD televisions are high when compared with other type of televisions. The users are assured to enjoy really good experience in watching their favourite programmes through LCD television. Other main features the users have to look in these types of televisions are its size and price and more importantly the technical features.

The other important factor that has to be taken care technically is the response time and colour. Also the latest model television sets are integrated with the best features making the users feel at ease in watching the programmes they like with better display. When compared with the normal CRT television models, the sizes of these televisions are the most highlighting factor, which attracts the users the most. Also many renowned features are available in this model, for the users to enjoy handling these television models.

RGB spectrum is used in these television sets which helps to display the images incorporated with all the colours. But still the research is on in adding more colours to this spectrum. The display range of this model television sets are better, when comparing the screen display and resolution of the plasma televisions. The LCD televisions are portable and highly flexible to use. It is a complete home entertainment television set, where the users can enjoy watching whatever they like in complete theatre effect both in the picture and sound quality.

Apart from the image and screen resolution, other features the users have to take care is the memory slots, USB, DVD, camcorder and video games connectors are the few to mention. There are thousands of brands are available in the market and the manufacturers are really facing a tough competition. So, in order to increase the sales, the LCD televisions integrated with the latest technology are offered at a comparatively lower rate in the market.