Car can run on water and nothing else , so why do we need oil ? Big Question

Waterfuel - so why do we need oil ?This is quite interesting using what they call HH2 gas, this company is working on using water to power cars or weld things. Currently they have a test vehicle which runs as a hybrid with water and fuel but they say they can run exclusively on water alone...
While the technology may not be as unique or breakthrough as the reporter and company spokesman claim (it seems to be based on an electrolytic process commonly known as "Brown's Gas."), it's still a great story to watch, and then do some fun follow-up research on.
I wish there was some more info about this but for now this video will do. Hopefully we can see this technology in service sooner then later

LCD TVs getting slimmer

Sharp, Hitachi and JVC are taking the bulk out of large LCD televisions.

All three manufacturers are showing off LCD TVs at the Ceatec electronics trade show in Japan this week, with panels that are less than 25 mm thick. The TV stand and the electronics add bulk, but the electronics can be put in the base of the stand or in a unit that connects to the TV wirelessly.

Hitachi showed off the thinnest model at the show, a 37-inch TV with a panel that measured only 19 millimeters thick. Sharp showed off a 52-inch TV with a 20-millimeter thick panel. There are 25 millimeters to an inch. A typical thin LCD panel on the market today is about 50 mm thick, according to Hitachi.

JVC's was the thickest of the three at 22 millimeters, but the company also likes to point out that it will be selling its thin LCD TVs in some markets in early 2008. The sets will start at 42 inches and get larger from there. Hitachi won't come out with its thin TV until 2009 and Sharp has been tight lipped about when it might release its thin LCD.

All three manufacturers are fairly vague about how they accomplished their respective feats. Hitachi says it's the light source it's putting in the TV, however, the company won't say what the light source is. JVC is using a fluorescent light source, not LEDs, but it won't get more specific than that.

Everyone is also tweaking the performance of their TVs in other ways. JVC, for instance, showed off a technology for reducing image noise in LCD TVs. Software in the TV creates a 3D simulation of images coming across the TV. It then tweaks the 2D image that will come across the TV to you by data it obtains in the 3D simulation to make a more accurate image.

Hitachi, meanwhile, said it will try to make a lot of news at the Consumer Electronics Show in Las Vegas in January. The company wants to move upmarket in TVs by emphasising, among other factors, industrial design.

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How to Evaluate DLP, LCD, Plasma TV and HDTV Quality

How to understand the difference in quality between DLP, LCD, and Plasma TVs.

Steps

1. Know the environment where you will use the TV. The level of ambient light will be a major factor. Also know the viewing distance--this will determine the size or resolution that will look the best.
2. Know the program material that will be viewed. Most video sources including DVDs are 480. HDTV signals are usually 1080 sometimes 720.
3. Understand the strengths and weaknesses of each technology to make an informed choice--see tips below.
4. Carry a few test DVDs into each store so you are always seeing the same scenes. Note that the setting (viewing distance/angle, especially ambient light) will make a difference in the perceived quality. The settings/calibration can make some difference too.
5. Keep notes with model numbers and relative rankings between units since you will likely not be able to compare all models side-by-side at one store.
6. Don't buy much more than you need in size, resolution, or technology. If you have the space and easy access, getting a used previous generation top-of-the-line CRT rear-projection TV from for the large dark rec room might be just the ticket.

Tips

• Each technology has its strengths and weaknesses and so you have to pay attention to different aspects to access the total quality of a TV in the intended environment.
• DLP is thinner than CRT/LCD rear projection TVs. They are also brighter so more suitable where there is more ambient light. Its weakness is in producing dark blacks, especially closely spaced dark and light features. Use scenes with a fine high-contrast texture, such as a white cliff face with black speakles. The best latest DLP TVs will look good, while others will look washed-out, gray and blury. Another good scene is a distant view of a forest with a mixture of rich green leaves and black shadowy underbrush.
• LCDs tend to look like computer screens with unstable shimmeriness especially on silvery medium-light grays. Dark blues and grays approaching black are usually not well produced. Watch fast scenes like sports with a small ball (tennis, golf) as LCD refresh rates are not as fast. Watch slow panning scenes for artifacts that don't move with the panning scene. One cause for this may be variation in pixel response due to manufacturing tolerences. Another cause may be the smoothing technology to upsample a TV or DVD signal to 720 ro 1080--this is true with other technologies too. There are differences in the implementations, so it matters too.
• Plasma is considered to be the best. It can look hyper-real or exaggerated or lack that movie-theatre film quality of projection TVs. There are however considerable differences between models. The burn-in problem is not as bad as the earlier generations and with careful use, not much worse than normal CRT direct view TVs of decades ago. Plasma is a superheated gas and as such generates heat which may require extra cooling if already a concern in your home

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