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Looking for Presenter Laser? Then have a look below to see what we have on offer, stock changes daily
Will a wireless presenter work with any usb receiver?
I have a Targus AMP03US wireless presenter with laser pointer and the USB receiver that comes with it got stolen. The receiver is not available for purchase separately. So before I buy a whole new presenter, does anyone know if any USB receiver will work with the presenter?
Presenters and receivers are permanently locked to each other. While it may seem inconvenient, it eliminates the possibility that some joker in your audience will mess up your presentation. At times, presenters go dirt cheap on Ebay. My favorite one is the "Ativa" (Office Depot brand) with the clock and timers and all the extra buttons.
Don
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Icon7 Twister Evolution presenter laser pocket mouse - 2009 iF Award (www.icon7.com/euen)
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Brand New. Kensington Presenter Pro Remote Wireless 2.4GHz 2GB MicroSD Card Green Laser Ref K72367EU
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Color
Lasers are now available in red (632nm), green (532nm), blue (473nm), orange (594nm) and infrared (808nm to 1064nm). The color of the laser determines the visibility of the laser, the attractiveness of the beam and the price. The color of the laser does not determine the power of the laser.
Power
The power level of lasers is measured in mW which is an abbreviation for milliwatts. The available powers range from less than one mW to over 400mW. Power is one of the key factors in determining the possible application of a laser and the price of a laser. Power also determines the danger of a laser.
Size
The size of lasers can range from the size of a small AAA battery to the size of a base ball bat. The two most common sizes for lasers are pen sized laser pointers that are small enough to fit in your pocket and larger hand sized portable lasers.
On/off Switch
Lasers can come with two types of switches, momentary off/on pressure switch and a standard click off/on switch. The type of switch determines whether the laser can be used hands free or not. A large number of applications require are not possible with lasers that are not hands free.
Safety features
Safety features can range from none to an elaborate range of keys, dongles, lens shutters and time delay.
Which laser should you get?
This depends entirely on what you want the laser for and your budget.
Presentations
Blue and green lasers are best for presentations with blue being the most impressive and also the most expensive. One very important point with buying a presentation lasers is power. Never buy a laser with more than 5-10mW power because of the danger to your audience and your self.
About the Author:
www.beamq.com
laser poointersArticle Source: ArticlesBase.com - Buy The Right Laser
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Looking for Wind Speed? Then have a look below to see what we have on offer, stock changes daily
How do you check the calibrations on a wind speed anemometer?
That is without having another instrument to tell you the wind speed. I know it must be easy but I just cant work it out. Please dont say, 'Tie it to the front of your car'.
If you have a calibrated motor that gives out a given rotation speed, you can connect that to the spinner of the anemometer and measure the wind speed measured by the anemometer as a function of rotation. Then you can find the manual for the cups or rotor of your device and figure out what spindle speed corresponds to a given wind speed. (e.g., for an RM Young standard 4-blade rotor, 1800 rpm corresponds to 8.8 m/s).
However, technically that doesn't count as an answer to your question since you have to have a calibrated motor or a tachometer to tell you how fast the anemometer spindle is turning. However, I can't see a way to do it without anything besides the anemometer.
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For people who are not privy with how electricity is generated, this article is for you. There are many forms of electricity just like there are many sources of it. One source of electricity is the wind that we are breathing right now. Wind is capable of producing mechanical power which is important for electricity generation.
So how can we get the wind to work for us? Well let us think of it this way. Wind turbine functions in exactly the opposite way a fan does. While a fan uses electricity to generate wind, a wind turbine uses wind to make electricity. A typical wind turbine consists of a blade, shaft, and the generator. This is strategically placed to catch the wind which will then turn the blade. The shaft is then triggered by this simple movement. Once a continuous action is derived from the blade and the shaft, a generator connected to the shaft will now give out the necessary electricity. The electricity generated from wind turbines scan give out the same quality of electric power as those found from other energy sources.
Classification of wind Turbines
A. According to Design
There are two kinds of wind turbines, the vertical axis design and the horizontal axis design. The vertical axis type is designed like an egg-beater. Darrieus, a French man, invented it. The horizontal wind turbine, on the other hand, has two to three blades. This type functions best when it is directly facing the wind. Farmers with great land area found out another source of income. When wind turbines became the newest source of electricity, these farmers leased their lands to power developers. Wind farms mushroomed all throughout the Midwest.
B. According to Size
Wind turbines vary not only with their designs but also with their sizes. Smaller turbines are usually lower than 100 kilowatts and they are most often found in homes. They are associated with simple diesel generators and water pumping needs. There are also the utility-scale wind turbines. They start at 100 kilowatts and reach up to even a few megawatts. There are also the really large turbines seen in wind farms. These turbines serve as the primary source of electricity in the electrical grid.
Familiarize yourself with the different parts of a wind turbines
For those of you who are interested to know more about wind turbines, below are their basic parts and functions:
Anemometer – is a tool that measures wind speed.
Blades – are the main electricity-generating parts of the turbine. Once wind passes through it, they will rotate thereby causing a series of reaction which will eventually lead to electricity production.
Brake – as with any other break, this is used to stop the turbines in emergency cases. This could be a mechanical, electrical, or hydraulic break.
Controller – this dictates the wind speed at which turbines start and stop. It usually starts the machine when the wind hits 8 mph and stops it upon reaching 55 mph. It is an important part of the machine since it automatically stops any machine activity when wind speed is more than 55 mph because blades may easily be damaged.
Generator – produces electricity usually at 60 cycles.
Shaft – signals the generator to conduct electricity.
Tower – is a place where turbines may be placed to get more wind.
About the Author:
Aidan Doran is a freelance author who writes about various technology
realated subjects. For more information about aidan visit his website
www.techstore.ieArticle Source: ArticlesBase.com - Classification of Wind Turbines
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Looking for Laser Pen? Then have a look below to see what we have on offer, stock changes daily
Which "cat chasing laser pen" video clip on the internet do you think is the best/funniest?
post the link so i can see it, of course.
I don't have a catNone are as fun as doing it yourself.
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Nicotine is one of the most addictive chemicals readily available. Millions of people are addicted to smoking and cigarettes and wish that they could stop. Because of this, there are lots of treatments out there directed at helping people stop smoking. From doctor-prescribed medicines to special diets, everyone has an answer to help you stop smoking. Included in these options are stop smoking laser treatment programs. However, these laser treatments see a lot of discussion about their effectiveness, both for and against. If you're considering using a stop smoking laser treatment, you should learn about them before you spend your money, and make the decision for yourself.
Practitioners of stop smoking laser treatment programs state that two or three short treatments of low level laser treatment can take away the smoking urges of most tobacco users. The device used is a kind of laser pen, placed on the face, ears, neck, and other such areas. Packages of stop smoking laser treatments are about $300 each. Generally, those offering these kind of treatments state that a package of treatments is enough to keep most people from wanting to smoke. The theory is that a stop smoking laser treatment releases endorphins similar to those gained by smoking, reducing the need to get these endorphins through nicotine.
Critics of stop smoking laser treatment programs state that the success rate is only as good as a placebo treatment. They feel that any benefit gained from stop smoking laser treatment is all in the mind. Around twenty percent of people treated with lasers in an attempt to stop smoking find that they do not receive the desired effect, and some do need to return for additional treatments. This is something that you should consider if you're thinking about laser therapy for smoking.
Those who are proponents of this kind of therapy state that the laser targets the addiction to nicotine, as well as treating points of the body to help you control the urge to over eat after stopping smoking. They also state that the laser therapy will help you to decrease stress, reducing the irritability than negative feelings that are often side effects of ceasing smoking. Stop smoking laser treatments are said to help a general feeling of well being overcome you while you remove your addiction to nicotine.
As with any medical therapy, it's important to read up on laser treatments to help you stop smoking before you pay for one. Try to talk to real people who have had these treatments so that you can decide for yourself whether it will be worth it to pay to get help with your smoking problem. Only you can decide if laser treatments to help you stop smoking will be right for you.
About the Author:
For more information, check out
stop smoking laser treatment
site. Visit StopSmokingProject.com for comprehensive information on
stop smokingArticle Source: ArticlesBase.com - Does Stop Smoking Laser Treatment Really Works
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Want to find Solar Panels at the best price? or simply find Solar Panels information and tips? Then read on to see what's on offer. We have constantly changing stock, so you should find what you're looking for.
Solar Panels Q and A's
How to connect a solar panel to an outlet?
I have a cabin in the woods and need more light. I do have enough sun but I was wondering how or where do I get a solar panel to lead to a power outlet? In a perfect world I would like to get a solar panel with a connecting wire to an outlet or something so I could power a small TV. I know its hard enough but can I get that pre-made? Or even lastly should I look at wind power consider I would like this to be under $500? Thank you for putting up with this bundle of questions.
A typical solar panel will deliver 50 watts of power in the form of 24 volts DC. You need 120 volts AC. So here is what it takes:
Since you will need at least 200 watts to do a small TV, you need four solar panels, and a solar controller. Then you need a 24 volt solar type battery to load the output of the panels.
Next you need an inverter. This is a device that changes 24 volts DC into 120 volts AC, which you can wire to a standard outlet for the TV set.
Solar panels cost around $6 per watt of power. 200 X $6 = $1200
Solar Controller will cost around $150
The battery will cost around $100
The inverter will cost around $200You could get by with less than 200 watts of solar panels if you just let it charge the battery all day and only use the TV for an hour or two in the evening with the TV running on the inverter which is powered by the battery.
The link is for a similar system ready to go.
Wind is not a viable option.
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Cutting down cost or utilizing of limited resources available to us in our daily life is essential for both healthy and financial growth. With the high cost of paying for energy consumed, the best or easiest way of cutting cost is by having residential solar panels with the purpose of generating energy.
Though, the idea of having personal residential ability of generating energy by the use of solar panels sounds so surprising and unattainable to many households considering the cost implications, but opposite is the case as modern technologies has made it highly attainable and at a minimal price, though the fact of expensive ones which depends on high tech can not be over emphasized.
There various way of getting residential solar panels built such as:
1. Employing the service of experts
2. building it yourself
3. buying of fairly usedEMPLOYING THE SERVICE OF EXPERTS
As the name implies, expert are those who specialize in their area of work. So, those that specialized in the building of solar panels are recruited for the purpose of making energy generating panels for homes.
Though this may be very expensive but it has great advantage because they will always help you in buying the most reliable panels at cheap rates and their finished products are without warranty. In addition, the cost of using this method makes it a difficult task to recoup the money used in making it.
BUILDING IT YOURSELF
If your aim is to have solar panel energy at an affordable price even with few hundred of dollars this remains the best option. It involves buying the panels and other component and assembles it using an assembly guide which can easily be found on the internet. Though, it save cost but consumes time since it is not your field of specialization, but the fact remains that the cost used in building solar panel using this method is speedily recovered with subsequent savings.
BUYING OF FAIRLY USED
This is another means at which already made residential solar panel energy can be acquired. It can be sold buy anybody that is relocating or that is expanding to a larger system. My humble advice is that apart from the two mentioned reason for selling solar panels proper research must be made to avoid buying a problematic or poorly designed solar panel. It is obvious that buying a fairly used solar panels reduces the cost by at least 50% depending on the years which the panel has been working.
In summary, residential solar panels are highly obtainable in a cheaper rate using building it yourself method through the use of comprehensive and well understood guides
The tax on the energy consumed by citizens by our government has made it imperative for an alternative and cheaper means of energy generation otherwise residential solar panel energy. it has been proven that individual can do it or build solar panels using simple guide. Such guides you can find at http://www.discountsolarpanels.biz. Getting this comprehensive guide will go a long way in helping you in the course of building one.
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Want to find Pointer Pen at the best prices? or simply find Pointer Pen information and tips? Then read on to see what's on offer. We have constantly changing stock, so you should find what you're looking for.
Pointer Pen Q and A's
1GB executive pen driveW/ LASER POINTER AND LED FLASHLIGHT?
where can i get the best deal and refills
Why would anyone need something like this. Once you put the pen drive into the computer, it would render the laser pointer and the LED useless (I suppose that you could pick up the computer and use the laser pointer).
As for the "refills", did you mean batteries? This would make the pen drive big and bulky, which is something that most people want to avoid when they buy a portable storage device.
In short, that sort of thing would be impractical and useless.
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This product is perfect for laser enthusiasts out there. Why choose green instead of red? Simply because green laser beam is far brighter and visible at night compared to any other color of laser. Green laser is less complicated to work with than red laser crystal. This product is a high power pointer, hand calibrated and tested to output 50 mw.
Products like these are significantly used for presentations or simply as an astronomy laser pointer. On the other hand, this is crafted with high quality materials to meet your expectations. Determining the exact purpose where to use the pointer pen will help you find the perfect one for you. These days it is hard to find quality pens like these and it would require a bit more research. Even if you bump into a certain store which offers a green pointer, you still aren't sure if its quality. This gadget is widely used and popular; performance wise and long lasting beams. It doesn't drain the battery for nothing.
Gadgets like these produce condensed light radiation and can cause permanent eye damage that is why it should be handled with care; the durability of your laser pointer depends on how you take care of it. Use your laser pointer for its sole purpose and not as a toy, this way you can avoid damage incidents; you are liable for your actions. 50 mw Green Laser Pointer should be used significantly. It's something that should always be in your pocket. It's useful and I highly recommend it.
Erika Ayala words for a consumer review company and writes part-time for http://www.plasticsurgerymanhattan.net/.
US $12.95
