Green Light Laser and Other Mining Equipment

Mining is important work. It extracts valuable materials from the ground like precious metals and jewels. It has lasted through ages and civilizations, making it not only significant but historical as well. While mining has roots in the ancient times, there have also been technological advancements to this kind of work. From rudimentary tools to green light lasers, mining techniques and equipment continues to develop.
Mining equipment depend on the type of mining being done. Here are the different types of mining:
Surface Mining
Surface mining is for removing minerals that are close to the surface of the earth. Once the minerals have been excavated, the land is recovered through reclamation for further use. There are different kinds of surface mining-placer mining, strip mining, mountaintop removal, hydraulic mining, open pit mining and dredging. It depends on the type of mineral and soil formation.
Underground Mining
Underground mining is used to extract valuable minerals from deep underground. They vary in size and complexity as it tunnels further into the ground. They only accommodate people while others can fit big excavators underground.
Like surface mining, underground mining have plenty of variations which are drift mining, slope mining, hardrock mining, shaft mining and borehole mining.
Here are some of the basic equipment for mining:
Lasers
Tools like a green light laser are a safer alternative to blasting rock and dirt formations to loosen precious metals, uncover petroleum or create entrances to crevices. They are measurement tools to keep distance between the miner and the blast site. Technologically advanced lasers also increase precision and accuracy.

Excavators
The modern forms of shovels, excavators are invaluable kinds of mining equipment. Instead of manually breaking and removing earth, miners can operate these vehicles, using the scoop attached to the rotating platform to remove massive amounts of dirt at a time. They are cost, time, and labor efficient. Gone are the days where excavation takes months to complete because of manual labor.
Drills
Another important kind of mining equipment is drills. They use these to drill holes into the ground to excavate the oil underneath. They use bigger drills to dig into the soil for deeper excavations. They also use drills to create holes to put in smaller explosives to blast small chunks of earth.
Mining is more than just drilling for oil and digging for gold. There are different kind of miners depending on what they extract from the earth such as stone, metal, coal, oil and gas.
If you are a miner, deciding to become one, or simply have interest in the industry, learning all about the kinds of equipment is one of mining's most interesting aspects. Any current or future miner must learn how to use drills, cutting machines, green light lasers and many other kinds of equipment. Mining has been part of humanity since its early ages and it is here to stay.

Boat Lights: LED, Versus Halogen, Versus HID

LEDs have generated a lot of interest among boaters over the last several years due to their high efficiency, powerful output, and unheard of longevity. Although early LED offerings were lacking in light quality and lumen output, rapid advancements in LED lighting technology have for all intents brought LEDs up to par and now they are considered a superior alternative to almost every other type of light source. This is not to say that traditional light sources are no longer worth consideration, but as LEDs continue to increase in quality and output, justifying the use of other lighting designs is becoming harder and harder to do. To see just how effective LEDs have become, let's take some time to compare some performance averages across the three main types of standard boat light types.
Halogen-
Halogens have been a longtime favorite among boaters due to their good power and affordable purchase price. There is often some confusion as to whether or not a halogen bulb qualifies as an incandescent light source, but the basic design is the same, only halogens contain added halogen and or bromine gases. The addition of these gases causes a reaction with the tungsten filament which results in vaporized tungsten being re-deposited on the filament as the lamp is operated. This increases the longevity of the lamp and allows it to run at higher temperatures, which in turn improves the color quality and overall lumen output of the bulb. However, halogen bulbs are as we mentioned, at their core a basic incandescent design, and like all incandescent bulbs are highly inefficient and relatively short lived. Some specs for a typical 50 watt halogen bulb commonly used on boats are listed below.
17-20 lumens per watt output.
2800-3400 Kelvin color temperature.
Lamp life 1700 - 2500 hrs.
Color rendering index 100.
1,500 to 2,000 hour operating life.
Very hot operating temperature.
Fragile wire filament can break under abusive conditions.
HID-Metal Halide-
HID bulbs produce light differently from halogen or LED light sources and represent some of the most powerful types of lighting available. Most HID bulbs used onboard boats are of the metal halide variety, which produces high output combined with good color quality and good longevity. HID lights are more commonly used in spotlights due to their intense output, but also see significant use in spreader applications where larger amounts of deck area need to be covered with substantially high lumen levels. HID lights produce light by creating an arc within a glass bulb that ignites gases and metallic salts to create a plasma ignition, in turn creating intense light output. HID lights are very efficient, have good longevity, and like halogen lamps produce large amounts of heat. For applications requiring the most powerful light output possible, HID systems are at the top of the list. The following are some basic performance specs for a typical 50 watt HID bulb.
Lamp life 5,000 - 20,000 hrs (varies greatly according to wattage).
2700K to 20,000 Kelvin color temperature.
75-95 Color rendering index.
Very hot operating temperature.
Erratic operation when bulb nears end of life rating.

Slow warmup, slow hot restart.
Requires ballast assembly for operaton.
Solid State Lighting- LEDs-
LEDs represent the newest generation of boat lighting technology and provide an excellent alternative to halogen and metal halide lamps. LEDs also produce light much differently than halogen or HID bulbs. LEDs consist of thin layers of semi conducting material coated with materials such as phosphorus which is affixed to a metal base and fed current through two contacts. When electrical current is passed through an LED, a process called electroluminescence takes place where in electrons pass through the semiconducting material and as they do they eventually release some energy in the form of photons, or visible light. This process is very efficient, produces low amounts of heat as compared to the amount of light produced, and works natively with direct current rather than alternating current.
Although LEDs do produce far less heat than incandescent or HID lamps, the LED chip itself is more sensitive to high heat levels, and it is possible for too much heat buildup to damage the LED and shorten its operating life if not dealt with. Because of this most manufacturers design LED fixtures with built in heat sinks, represented by finned housing designs which work to efficiently dissipate heat and maintain maximum performance. This heat management issue and heat management solution is why most LED fixtures look so different from standard lamps and is the leading source of trouble with LEDs, but these days most manufacturers of quality LEDs have produced designs which effectively reduce the issue to a minor one. The following are some basic specs for an LED equivalent to 50 watt halogen lamps.
60-100 lumens per watt output.
Lamp life 20,000 - 100,000 hrs.
2,700 to 7,000 Kelvin color temperature.
60-90 Color rendering index.
Very cool operating temperature.
Instant on, no warmup.
Voltage sensitive and requires additional voltage managing circuitry.
No glass, no filament, highly durable.
If we look at these basic specifications we can easily see why LEDs are now so popular with boaters. Highly efficient, cool running, and extremely long lived, LEDs represent an almost tailor made lighting solution for boat illumination. LEDs can easily replace halogen lamps for almost any type of onboard installation, and their small size and cool operation means you can install them in cabins without the need for bulky fixtures or worries about potential fire hazards. Although LEDs don't as of yet have to intense output of HID lamps, they still provide comparable output that is quite effective when used in applications requiring significant beam reach or coverage of large areas. LEDs don't need any warmup time to reach full operating output, and since they are solid state can handle the vibrations and impacts that come with running through rough seas.

The Smallest Android TV Player asd qweqwe

Quite recently, devices like TV players have emerged with varied features and prices. Perhaps, the most popular of these are those under the range of 'Android TV Box', since Android has become one of the most popular operating systems in electronic devices today. While Android offers several TV players in different prices and with numerable advanced features, the most handy and likeable of these is the smallest model, MK802 Smart HD player. This is only 25% in size when compared to a regular TV player. Just about twice as big as a USB drive, it can be attached to the back of a television and thus easily hidden. The size makes it very easy to carry and to transport without the requirement of additional space or precautionary measures.

This mini PC transfers data to the television via an HDMI cable. Powered by a USB cable, which is provided with the TV player, it is rather simple and easy to use, thus being perfect for you even if you are not particularly tech-savvy. Since it has a regular USB port, it allows the convenience of connecting a mouse or a portable keyboard with it if you would prefer so, though these are not included in the package. This USB port also allows the easiest data transfer, since you can simply connect this little device to your computer and copy files on to it. You can also directly use its SD memory card to copy files, which allows up to 32GB of pictures and videos. Moreover, it does not carry an Ethernet port but can easily be connected to WIFI to gain web access. With simplified yet modern features, it is a device that is easy to use and to understand.

As for the technicalities, the mini PC has a RAM of 512 MB with an internal memory of 4GB. Most audio and video formats are supported by it, so you do not have to go through changing the formats of files before you can watch them on your TV. Also, since the system is the latest 4.0 Android, it allows applications like Youtube, Twitter and Skype, enabled by wireless internet support.

What and Whys About CAR HID Lights

Have you ever experienced the difficulty of driving at a pitch dark night on a bumpy road, in a foggy weather? The thought itself sends a shrill in your body. Right? But not anymore. You can simply imagine about it happily if you have the CAR HID Lights installed on your vehicle.
What are these HID Lights?
High Intensity Discharge or simply HID Lights are those that are highly powerful lights widely used nowadays and are fast replacing the normal halogen bulbs. They use xenon gas instead of the flimsy filaments that are used by the normal bulbs. They have a color / temperature controller that results in a whitish color being emanated from the lights.
Why have these CAR HID Lights become so popular?
Visibility and clarity - The increased visibility and clarity gives it the much required acceptance. The light that emanates from this appears to be something more natural like the sunlight which, the eyes get easily adjusted to.
Brightness - They produce a highly efficient and powerful beam of light that has a wider exposure thereby covering larger area at one go.
High Intensity - As the name suggests the lights emanated from it are of high intensity which is quite helpful in tearing through thick foggy layers and helping the driver have a smooth drive despite the rough weather.
Energy Efficient - Despite emanating bright light, CAR HID Lights are highly energy efficient and can save up to 35 - 40 % energy as compared to normal bulbs.
Long Life Span - These lights are highly durable and can go on and on for years together and rarely do they require a replacement.

Customized option - One can find these in the size and shape of their choice as they do not come only in standard shapes. Depending upon one's taste they can go for a customized one and make their car look different from its counterparts that have factory made lights.
Are these available in brands only?
There are many manufacturers who are into manufacturing these CAR HID Lights. Of them there are many branded auto manufacturers too who are into the manufacturing these lights. Apart from this, one can find different non-branded products too. But it is always advisable to go for branded products, even if it means a little costlier, but quality is guaranteed.
Where are these available?
These are available in automobile spare parts shops or even online stores.
Which is a better option?
Online stores are always a better option given the fact that one can sit at the comfort of their home and go around different sites, brands and products, compare prices and finally order the products. Within a few days, your product will be delivered right at your home.
Check for discounts and offers which many of these sites provide for CAR HID Lights. You are sure to get the best deal online.
Points of caution while buying online
Though you can browse through various sites and compare the prices, never get allured of unusually low prices. They may give a run for your money once you make the payments.
Ensure that the site is a reliable one and the offers are reasonable.

Let's Resolve the Frequent Troubles of LCD Monitor Ourselves

TFT LCD monitors are rapidly becoming shipped with new computers by default. On this page I explain you the frequent trouble of TFT monitor and how to resolve them.
No display or white screen:
If this is a new install make sure the refresh rate is not set too high. If you installed a new video card in your system make sure the refresh rate is not set too high. Under Windows, reboot the system and go into "Safe Mode" (Use F8 key on boot up) select safe mode and change the refresh rate under display properties to either 60Hz or Default. Then reboot the system and the screen will turn on. Maximum mode on 15" TFT screens is 1024x768 and maximum mode on 17" and 19" TFT is 1280x1024. Check to see if the green light is on with the external power adapter. Make sure all plugs are secure and the video cable is properly attached to the computer.
Dark screen in games:
TFT Liquid Crystal Display monitors are a unique devices that are manufactured to meet excellent picture clarity and reproduction in a native mode. Outside a native mode graphics will be darker, fine lines and text will be thicker. Native mode for 15" TFT panels is 1024x768, 17" and 19" TFT panels are 1280x1024. Most games can be configured to run at 1024x768 which should produce clean graphics.
Thick text:
As described above, TFT LCD monitors perform best in their native modes. Other modes can be used however the reproduction of text will vary in thickness depending on the mode the monitor is running in. Best text reproduction is view in the monitors native mode.
Faint or unseen text:
TFT monitors are Bright! So bright that sometimes text in a DOS program may be very faint or not seen. In order to see this text, you can reduce the contrast level down until the text is visible. TFT LCD monitors were manufactured to perform in a GUI environment such as Windows, Linux (X) and Macintosh. Older designed programs may have upgrades to enhance this effect to make the text legible.

Wavy lines on the screen:
In some instances you may encounter wavy lines on the screen. These are usually 1/4" thick and move in a vertical motion. This is caused by a noisy electrical feed from a wall outlet. If you change your vertical refresh rate under display properties to 75Hz this effect should disappear.
Small dot on screen:
TFT panels by their very nature are difficult to manufacture. KDS uses displays from various suppliers including; Samsung, Hyundai and Acer, who all guarantee the display to be 99.99% free from pixel defect. What that means is a 15" LCD display can have up to about 6-10 broken pixels and still be considered "acceptable". Broken pixels are individual pixels, which are stuck on, off, or as one particular color. Depending on their location and intensity, they can be next to invisible or obvious. This is common to ALL TFT screens and is not considered a defect by the screen manufacturer.
Dark areas:
Retail TFT LCD monitor products employ the use of a single TFT backlight. This backlight is responsible to deliver full edge to edge brightness across the screen. On some models the screen may not be as bright in the center or the edges as other areas. This is due to the design the actual panel manufacture took to keep costs down so that the TFT panel is affordable for the retail environment. Prices of TFT panels vary according to added features (TV tuner, SVIDEO etc.). They also vary according to the number of backlights that are in the panel. High-bright monitors with multiple backlights can cost upwards of $2,500.00 for a 15" panel.

5 Vital Factors For Finding Your Ideal LED Flashlight Headlamp

LED flashlight headlamps are a great line for various people out there. A simple head-mounted flashlight will prove to be immensely useful for anyone that needs to focus on a task and needs both hands free to do so.
The problem, however, is that not all LED headlamps out there are equal. If you want to find one that is best suited for your needs, then you will definitely need to learn what sets these headlamps apart from each other:
1. Lumens - This is one of most important things you need to look out when picking out LED flashlight headlamps. A high lumen rating means that the beam is a lot brighter, while a low lumen rating means that the headlamp consumes less power and is typically cheaper.
2. Beam Distance - Technically measured in candelas but is more often measured by the meters the beam of light will travel before it fades out in the darkness. Again, LED flashlight headlamps with high beam distance ratings will cost - and weigh - more, so it's another tradeoff between performance and economy.
3. Lux - Lux simply means the concentration of light over a given area. A high lux rating, means that even a low-lumen headlamp will focus its meager light on a small but brightly-lit area. A low lux rating, on the other hand, means that a headlamp with the same lumen rating would spray its light over a wider area but less brightly than its high lux counterpart. If you want concentrated beams, get a low-lumen, high lux LED flashlight. If you want wide-area illumination, get a high-lumen, low-flux variant.

4. Battery Life - Simply put, a LED torch with a higher mAH (milli ampere per hour) means that its batteries will last longer than the same torch powered by batteries with low mAH ratings. This is an important consideration when picking out a rechargeable flashlight or headlamp. If you need your headlamp to last for long sessions at a time, then you will need to invest more money into a model with batteries that have a high mAH rating. You will also have to deal with the added problem of weight as higher mAH batteries tend to weigh more. If you are working on a budget, need your headlamps to stay light or don't really need to use your headlamp for prolonged periods of time, then you can work with lower mAH batteries.
5. Design - There are two primary ways LED flashlight headlamps are designed: fixed or movable. Fixed headlamps have their lights, well, fixed in one position. You can expect them to aim wherever you point them. Other headlamps, however, allow you to tilt the light so that you can manipulate the beam even without moving your head around so much. Movable headlamps are ideal for when you need to keep your neck in a fixed position, like when you are lying down or fighting against gravity. Fixed headlamps are preferable when you are free to move around as you will.
Keep all these in mind and you'll be able to pick LED flashlight headlamps that will best suit your personal and professional needs!

Mining Equipment - A Short Summary for Curious Individuals

When individuals hear about exploration, most will think about enormous trucks and bulldozers as the primary mining equipment. While this image holds true today, tools employed for mining have come quite a distance from its roots. Historic miners probably can't think about the existence of these devices. If you're curious to discover more, here are a couple of suggestions to get you started.
Pre-historic exploration
Former cultures applied mining as a means to obtain sources for everyday use and weapons. The equipment back then was absolutely nothing more than a high quality flint. In Europe, flint was found in sedimentary rock masses and individuals noticed them as the most effective equipment for excavation. A lot of specialists believe that these rocks also doubled as weapons throughout the Stone Age. Regardless of these extremely limiting equipment, individuals back then had been able to dig and collect crucial minerals and rocks for everyday usage.
Past files
Egypt is one nation known for its wealthy mining background. Evident of which are green stones used for pottery and decorations on some artifacts. The earlier Egyptians frequently excavated for precious metal. Later, they began quarrying for minerals in other countries. In those days, the Egyptians began using iron tools as their mining equipment while searching for minerals. They employed a method known as "fire-setting." This was their major means of removing gold from dug ores. Through this method, ores that contains gold undergone heating and were doused with water soon after.
The Romans were also accountable for the improvement of mining equipment. They had been the initial civilization to use large-scale methods to assist in bigger quarrying procedures. Their civilization utilised water to function simple devices and remove undesirable debris. Their strategy quickly grew to become popular and was known as hydraulic mining.This mining principle employed high-pressured water jolts to eliminate stones and debris. It will also remove rocks or minerals too.

As civilizations entered the 1300's, an incredible requirements for swords, armors and weapons came into being. Large numbers of individuals began substantially extracting iron and silver. The demand for coin during this period of time arrived at a fever pitch. This demand in turn resulted in silver scarcity. It's also along this time that iron grew to become a vital need. Iron is a very important part employed for construction and early machines. Due to these reasons, exploration and mining equipment grew even more popular.
Mining as we all know it
At this time, gear utilized for excavation and extraction evolved. Some grew to become far more complex. As an example, trucks employed for exploration are now much more refined. Several trucks being utilized at present have electronic machines employed for dumping cargo and driving close to the mines. These motor vehicles might also be furnished with sophisticated suspension systems for greater driving performance.
Another device which has come about in current occasions is a green laser light.They are employed primarily as saw guides. You may also rely on them for figuring out alignments. The lights assist miners to quarry lands efficiently thus conserving time and work. Green laser lights also provide better field of vision at evenings or on days with bad field of vision.
Since the world continues to excavate for oil along with other valuable minerals, mining equipment is here to remain. In the future, this gear may have far more refined capabilities to make work simpler for all.

Q & A About Using a USB to DVI HDMI VGA Video Display Adapter

There is a lot of opportunity in how to display your computer signal to other external video display devices, such as a PCI based Video Card, USB or Firewire Based Video Adapter and multi-functional usb display adapter. And now, it seems that dvi hdmi vga to usb display adapter is more and more popular in graphics card converter. Of course, there are significant problem in how to install and debug video display adapter (no signal, no audio, driver compatibility and etc.). Today I want to list some common questions about it. Let's start with one of the most important questions:
Q1: why there is no audio after installing the dvi to hdmi adapter
There's potential for oxidization or dirty or even the bazillionth of a fraction (exaggeration) difference in different metal to different metal contact conduction at the adapter points, but overall both should provide an equally good picture. So, in this situation, you need make sure 2 points:
1.Onboard speakers in monitors usually suck pretty bad, externals are usually much better for pretty cheap.
2.Audio can be outputted over DVI as long as it's a newer ATI video card (not NVidia) using PCI-Express
Q2: The display on the add-on monitor is blank?
A: If the monitor or display screen power LED is green, wait a moment for the monitor to show the video as sometimes it takes time for the add-on monitor to show the video. And if the power LED is red, you should check the power line and battery DC interface. You can also reboot your system to try again. After that, usually it will work!
Q3: The add-on monitor is flickering or low definition
A: This is usually caused by a low refresh rate. In mirror mode, increase the refresh rate of the main monitor. Sometimes, other wirelss devices (cell phone, wireless receiver) may disrupt the display signal. You know, if you use an interference free USB to HDMI Adapter and high quality HDMI Cable, it's ok!

Q4: When I play MPEG/AVI file by Windows Media Player on the extended monitor, how come the display becomes abnormal when I switch it to full screen mode?
A: If your system is Windows XP SP1, we suggest you upgrade it to SP2 to solve this problem. And there is no problem with Vista or Windows 7.
Q5: When playing the video in full screen mode, the motion is not smooth
A: Terminate any other CPU intensive applications running on the computer. If you still have issues playing media content on the adapter, try the following steps: As some media players require DirectX hardware support to correctly operate, try a different media player which requires less DirectX support. Also, if you want to watch full HD movies, you need to use an 37 inch or larger HDTV. Only in larger Monitor, the USB to DVI HDMI adapter can work absolutely. Or, you can only watch edit-movies. Drag the media player to the add-on screen and close the player. Restart the player and it should open on the add-on monitor. Now try playing the media file again. The video playback may be unusual when the add-on monitor is mirroring the primary display and there is another extended screen connected to the computer.
Q6: In extended mode, the add-on monitor appears to have a black border around the desktop
A: This happens when the resolution used by the add-on monitor is larger than the resolution used by the primary monitor. Let's me show you a case that I often play football games on my 42 inch HDTV, and at first, it can't display in full screen mode or extended mode and I change the game setting finally. To solve this problem, configure the add-on monitor to use the same resolution as the primary monitor.

Turn Any Television Into a 'Smart TV' With an Android TV Box

In today's world of "smart devices," televisions aren't going to be left behind, thanks to the new Android TV box. This box will turn any television into a "smart TV" that allows viewers to do anything that you'd do on a computer right on their television screen. Surfing the internet, looking at photos and reading emails can all be done on the TV set.
The Android TV box is compatible with color TV's, LCD's and LED's and connects to the internet by LAN, Wi-Fi or 3G. This means you don't have to purchase any extra equipment or extra services to enjoy the box. It also can function as a router for all of your other devices including phones, tablets, laptops and desktop computers.
With the introduction of the Android TV box, your home entertainment options become limitless. Your living room can become a multimedia center with an extensive collection of material to choose from both on and offline. Since the box runs on the Android 4.0 operating system, a multitude of web apps can be downloaded right onto your TV set. You can network with your social circles on Facebook, Twitter and Skype, check your email, even watch movies and play games. Game enthusiasts will love the built-in 3D graphical processor that supports 3D games and with a IGB DDR3 memory, there's plenty of room for all your favorite programs.
The Android TV box is also compatible with other devices such as USB flash drives, USB hard disks and TF/SD cards so you can view stored documents and photos with ease. It can be used with a wireless mouse, keyboard and flying remote for easy navigation. The boxes also support full HD 1080/2160P video output and coding and run the latest versions of popular applications such as HTML5 and Flash 10.3.
The devices are compact and can easily be situated on top of or next to your TV set without being in the way or standing out. They also come in a choice of colors like black, red or white so you can coordinate it to match your décor. When you purchase a TV box, you'll get everything you need to get set up, including a power adaptor, USB cable and adaptor and HDMI cables. Some manufacturers will even provide 3D glasses with your box. Once you purchase an Android TV box, you'll wonder how you ever lived without it!

LED Headlamp Usage by Law Enforcement Officers and Fire Fighters A Message to Outdoorsmen

Firefighters and policemen are heroes who risk their own lives every day in their efforts to protect others. It is common for a firefighter to dash into a burning building engulfed in flames to rescue an occupant. Day after day policemen run after criminals who duck into blackened alleyways.
These professionals exhibit an extraordinary dedication to mankind because the strongest natural instinct for human beings is the will to live. Firefighters and policemen regularly have to overcome this instinct to uphold their responsibilities.
Firefighters normally go to the location of emergencies such as road accidents, flooded areas, where a bomb threat or incident has occurred. They are found at dangerous substance spills and railway and airline crashes. They routinely rescue trapped persons and animals and can be found providing emergency medical services prior to an ambulance crew arriving on the scene.
Policemen find themselves keeping the peace and order, prohibiting and preventing criminal activity, arresting persons who break the law, running surveillance operations, working in counter-terrorism activities, and investigating crimes.
Given these activities, it becomes clear that for them to do their jobs safely they need to have high quality equipment. This equipment not only protects them, it also protects citizens because they can stay in the line of fire, so to speak - longer.
Given the types of situations and the time of day, firefighters and policemen need headlamps to enable them to function in the dark. Dark does not only mean time of day. There are situations such as forest fires where the smoke is so dense it is darker than a night without a moon.
New technology makes working in the dark less problematic. LED headlamps are lighting the way for the heroes of our cities. Firefighters and policemen favor LED headlamps because: 1) beams can be pointed in the direction of need, 2) can be adjusted by elastic headbands, 3) are water resistant, 4) allow for hands-free movement and searching, and 6) can be mounted on hard hats.
LED headlamps come in levels of illumination and most often offer the wearer at least three levels of light. These headlamps are powered by batteries ranging from 3 to 6 AAA batteries as a well as AA batteries. LED headlamps range from 18 to 60 Lumens and are capable of working in atmospheres that are filled with dangerous toxins, gasses and vapors. LED lamps vary in the number of hours they run. However, in comparison to standard headlamps, they can run up to hundreds of hours longer because of the efficiency of LED light bulbs. They also vary on the brightness of the light they emit as well as whether the light emitted has a spot or flood focus.
When considering the times a firefighter or policeman is put into danger it is no wonder they favor LED headlamps. LED lamps allow firefighters and policemen to do what they do best - help citizens who are in danger from fires, criminal activity, being lost and in need of rescue etc. LED headlamps help the men and women who use them save lives and protect property.

HDMI and Display Port, Unique Properties Of The Most Common Video Sockets

A great range to choose from but which is the best for you.
At the moment the HDMI socket appears to be the most popular. However the barely heard of "Display Port" or "DP" is very much the new kid on the block and expected to give HDMI sockets some serious competition in the years to come.
Early video graphics sockets / plugs.
VGA or D-Sub as it is also known has been around almost from the inception of PC's and still very much in use today.
The most common video socket types:
USB - Universal Serial Bus - as in the name it has Universal applications, and can be used to provide graphics by means of a variety of adaptors.
VGA and SVGA- Video Graphics Array or D-Sub (Sub-miniature) - Video
RCA-Composite Video - Yellow, with White and Red for Audio
DVI -Digital Video Interface, 6 Variety's - both Analog and Digital Video
HDMI -19 pin High Definition Media Interface - Video, Audio, and, Ethernet. Attracts a royalty between 4 and 15 cents for each socket that the manufactures use in their equipment.
DP - Display Port - 20 pin High Quality Video, no Audio or Ethernet as yet. This is expected to be upgraded in the coming years. Currently royalty free. Can power 120HZ equipment
Versions and sizes:
To confuse you even more all come in a range of shapes and sizes along with a number of different versions.
What do VGA, DVI, and HDMI and DP have in common?
They all share some compatibility with each other by the use of a variety of adaptors as is the old yellow video and super video sockets.
USB:
There are adaptors that allow a USB plug to be used as a composite yellow video along with red white audio sockets. Just how efficient they are is another question.
The "Display Port" or "DP" is very much the new kid on the block.
In general the DP produces a slightly better video signal than the HDMI. If the hardware you are interested in purchasing does not have a HDMI, or DP of some description then think very seriously before you finalize you purchase or you could be wasting your money. You can get adaptors to go from Display Port to HDMI without any significant video loss, but if you try to go from 19Pin HDMI to 20Pin DP you may be out of luck depending on the equipment, I tried this with two different types of hardware and had no success at all.
Socket Guide - What you need to know before making a purchase.
All new electronic equipment should have at least two of the following sockets, if not all - USB, HDMI, DVI and a DP of some description.
Pros:
The HDMI is currently the winner with its latest 1.4 version as it has Video, Audio and Ethernet all rolled up in one simple cable.
Cons:
Avoid using adaptors where possible, they are commonly the source of signal loss.
Conclusion:
Don't throw out your old equipment because it has a VGA or old style yellow video socket. If you are about to purchase new expensive hardware such as a TV, PC monitor or Graphics Card keep a look out for the product that boasts a HDMI and a humble DP socket, both will come in handy down the track.
If retail sales staff have not heard of a Display Port or DP, then you can be confident that you know much more than them, which is very often the case.

Article by: Brendan Mckenna - Outstanding
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Copyright: Brendan Mckenna 22nd April 2012 Warrnambool Australia

HDMI Cable - The Future Of The HDMI Cable And The HD Display

If you have been alive for the last decade then you have noticed. The HD television has come around to reign supreme and will do so until the 3D television replaces it. TVs used to be this huge box that was heavy and difficult to move. The screen was convex and the picture was grainy. If you were too close to the screen you wouldn't be able to see a clear image. Now, the television is thin and flat. It has a crystal clear picture. You feel let down with the old technology. You judge a hotel's efficacy on the quality of its television screen when you check into your room. It is not just the television that has evolved. The cord, in this case the HDMI cable, has evolved too.
Each of these HDMI cables is amazing in itself. Yes, they can be expensive, but that little cord carries a wealth of information. Just look into the female end of the HDMI cable and see all the little male pins. You'll notice at least 19 pins around the mouth and each of these individual pins carries different types of information, simultaneously, to the television, monitor or projector. Many of the pins carry a complex amount of data but a few of them are remarkable. One of them is an Ethernet cable that is capable of carrying information from the web to the display. Another pin is just a clock to keep track of the time and yet another is something called a data shield. All of these pins are integral in delivering a sharp HD image from your capable device to the appropriate display.
An HDMI cable can come in many different sizes and formats. These different types of cords are usually made to accommodate the device rather than the display. The display usually accepts the standard sized end of the cord, while the device can have different size male ends. You are most likely going to see a smaller end for something like an HD digital video camera. Although, the most popular device, a DVD or Blu Ray player, will most likely have a standard sized end. Either way, the HDMI cable will deliver all the information needed to display a crisp HD image on the display. Even the smaller end of the cord will be capable of carrying that information. The pins are just compressed into a smaller space.

Be Technology Smart - Go for FTA or Android!

We all pay monthly bills for watching our favorite TV channels (barring a few ones which are free, and which we actually don't watch). But there are some of us who are different from the rest, some of us who think smartly, know about their surroundings and are alert about what is going on in the market, and beneath it. Wink.
Now, if you are one of those smart people out there, you would have definitely heard of the FTA or the Free To Air Services. Did it come across to any of us that if we can have an equipment (usually in the form of a box) to listen to the popular radio channels, then, why can't we have a similar equipment to air TV channels. In both the scenarios, we don't pay any monthly subscription and this additionally saves our time cost, energy cost and psychic costs besides the monetary costs. The FTA is available through satellite and one can view hundreds of channels depending on the geographical area. But again, you can't have everything everywhere, and unfortunately these services are limited to a few regions only - North America enjoys these services the most, along with Australia, New Zealand etc.
Now, coming to the some prerequisites before we enjoy the FTA or FTV (Free To View) Services. It is common sense that Free to Air won't just miraculously come out from the air to our television sets. So, we need equipment - that is, a receiver, also known as a FTA receiver box. With an initial investment, you can save so many dollars! In fact, most of these receivers come with additional features such as USB ports, zoom in and out, auto program search, and many other technical features. Brands such as i-link 9000 and cnx nano 2 are commonplace names for FTA receivers. There are many variations and latest versions of the ilink 9000 as well as Conaxsat (cnx nano 2).
For all the technology lovers (especially the younger generation), another trend is catching up - the use of the Tablet PC for multiple usages such as watching TV, playing games, social networking, work and lots more. Amongst the younger and tech savvy audiences, the Android tablet is catching up in a big way. With all its innovative features and apps or 'application programs', owning this technology has become a 'tech savvy statement'. So go ahead and make your choice too!