Optical fibers are flexible fibers with properties that allow them to channel the movement of photons of light along the fiber’s length. A fiber-optic light source emits light that has been sent down an optical fiber. Fiber-optic light sources are used in several different applications, both practical and decorative. The optical fiber in every fiber-optic … Read more
There are quite a few different types of night vision spy camera, which are often categorized based on the way in which they are meant to be used and the technology used in them. Personal spy cameras are devices that can be concealed on the body of a person, and one with night vision will … Read more
3G phones are mobile telephony devices that operate on the 3G network. These mobile receivers and transmitters are more expensive than earlier models of cellular phones and cannot operate on either a 1G or 2G network. Cellular phones were originally introduced in the 1980s when the Advanced Mobile Phone Service network was launched. This was … Read more
A prepaid smartphone is a smartphone devise that has a cellular prepaid plan. These plans allow wireless phone subscribers to pay for service as they use it, without any long-term commitments. Smart phone devices are cellular phones that have advanced features, such as Internet and e-mail capabilities that are typically found on personal digital assistants … Read more
Pay as you go wireless services are cell phone services where the consumer purchases air time minutes and other cellular options in advance. Going with a prepayment service plan of this type eliminates the need for entering a long term contract with the service provider, and also ensures that the consumer only pays for the … Read more
Kiosk systems are small, freestanding enclosures that are usually designed to provide information, products, or services to consumers. Typically, kiosk design entails having an open side of the enclosure or a window cut out so that transactions can be conducted. For example, newspapers or cigarettes are often sold on the street in small kiosks. In … Read more
A weatherproof socket it a receptive connector, typically for electrical current, that has been specially modified for outdoor use. A receptive connector is a connector into which another cord can be plugged. Ordinarily, anyone exposing a powered electrical socket to water risks creating an electrical short circuit, which can be very dangerous. By using a … Read more
A Yagi antenna, also known as a Yagi-Udo antenna or a yagi, is a type of antenna array often used by amateur radio operators. It can also be used for other purposes, for example as a TV antenna, to collect radio signals from space, and as a cellular antenna. Depending on its construction, it can … Read more
A PDA screen protector is a thin piece of material, such as plastic film or mylar, that is meant to cover the screen of a PDA, or personal digital assistant, to protect it from damage. Due to the use of a PDA screen and its interactive, touch-sensitive properties, the screen can sustain damage. The PDA … Read more
Crank powered radios are audio receivers that are constructed to receive signals from a number of frequency bands. In this aspect, a crank powered radio is just like any standard radio that operates with batteries or wall current as the power source. What sets the crank powered radio apart is the presence of a hand … Read more
A Bluetooth earpiece is a type of wireless hands-free headset. The earpiece usually fits over or in a person’s ear and allows him to hear and communicate over the phone, completely hands-free. An earpiece like this is called Bluetooth for its type of technology, which uses radio waves. This allows for things like phones, computers, … Read more
A PDA charging station is an electronic device that recharges the batteries of PDAs, or personal digital assistants. It is common for professionals to use PDAs in order to keep their calendars and notes organized. PDAs are also often used for on-the-go work and have functions that allow users to send and receive emails and … Read more
Digital multiplex interface (DMX) scanners are a type of moving light known as intelligent lighting used for effects in stage and venue lighting. Scanners often contain multiple colors and light shaping tools like mirrors or gobos which can create a variety of effects and designs. This type of light is most frequently seen as an … Read more
Choosing the best hunting rifle scope depends upon individual conditions, such as type of rifle and prey, terrain, and the most likely shooting distance. The scope’s reticle center is adjusted to accurately indicate where a rifle’s bullet will hit at some predetermined range. This distance can be affected by terrain conditions, how close you intend … Read more
The Information Technology (IT) world is characterized by its emphasis on promptness and efficiency, but as is the case with anything that is done hastily, maintaining a standard of quality is often quite a challenge. Quality control in IT is the process by which software or hardware products are kept at a certain caliber without … Read more
In an Internet-based economy, having a great domain name for your business is often crucial to your success. However, unscrupulous individuals are increasingly attempting to profit from the desire for original domain names through the practice known as domain name frontrunning. When someone uses inside information to register a domain name for the purpose of … Read more
A Request for Comments is the proper name for a memo issued by the Internet Engineering Task Force (EITF). This group oversees the standards and protocols related to Internet use and access. A Request for Comments details information related to any number of different Internet-based activities and technologies. Even though the name is specific to … Read more
Internet metering is a method of billing for Internet service. It is designed to increase costs for the customers who use the largest amount of bandwidth. Most Internet metering plans are built around the idea of bandwidth caps, with penalty fees for those that exceed them. There are also approaches to metering based on hourly … Read more
In order for certain software, websites, and operating systems to work properly, information about the user is needed. A user profile may also form part of an account on an ecommerce site. Rather than requesting information repeatedly, this information is often gathered and stored. The name of this collection of information is a user profile. … Read more
Our sister site WisePrice is a consumer information site which allows people to exchange information about the cost of services ranging from pet grooming to assisted living facilities. Users can use WisePrice to research the average cost of services, and to learn more about what to expect from services, especially services they do not use … Read more