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A nanny camera is a surveillance camera which is specifically designed for use in settings where childcare providers are present. The term “nanny camera” often implies a hidden camera and many products marketed as nanny cameras are indeed designed to be concealed, but in fact some care providers are informed that they are being recorded … Read more

It may seem odd to think of food as a scientific application, but food science technology plays a very big role in most of the foods people buy from the supermarket. Food science is primarily used to create new ways of storing food and keeping an adequate food supply. Examples of things food scientists have … Read more

A handheld digital TV is a portable device which allows users to receive digital broadcasts. This can offer users many more channels than a portable analog TV, usually with better picture quality. However, using such a device on the move can mean much more retuning to get a signal than with an analog set. The … Read more

A prepaid cell is a cellular telephone that allows you to purchase minutes as needed instead of committing to a long-term contract and a specific monthly plan with features you may not use. Prepaid phones are most popular in Europe, but a number of people within the United States now use them as well. For … Read more

A digital data service is any type of communication service where it is possible to support the sharing of data as well as audio using the same communications network. Sometimes referred to simply as DDS, digital data service is a common aspect of communications today, and makes it possible to transmit voice and data using … Read more

To choose the best Nintendo bundle, it is best to consider how much you have to spend, as well as what kind of games you want to play. Bundle packages can be a great way to save money when purchasing a new game system, but it can also be a waste of money if you … Read more

A global positioning system (GPS) walkie talkie provides added functionality and versatility to the familiar uses of remote two-way communication. Using a GPS walkie talkie can not only keep the user in verbal contact with others, it also can help the user map out routes, locations, waypoints and destinations. Many models and variations are available, … Read more

Point of sale hardware (POS hardware) is equipment that accounts for a major portion of a point of sale system and may include card reading machines and printers, cash registers, servers and computer systems. This is different from point of sale software, which consists of the computer programs that operate the system and send information … Read more

There are a few different ways to receive a fax depending on the type of hardware and software you have available to you. The simplest method is to own a fax machine that is connected to an appropriate data line, such as a phone line, and have the sender user that number. You can also … Read more

Redbox™ movies are DVDs that are available through Redbox™ self-serve rental machines, located at various places throughout the United States. Typically these vending machines can be found at various restaurants, pharmacies and shopping stores, some of which are accessible 24 hours a day. The company was originally funded by a subsidiary of the McDonald’s Corporation, … Read more

An infrared (IR) light emitting diode (LED) is an electronic method of creating infrared light. This makes an IR LED illuminator a method of lighting up an area using infrared light. Since infrared is outside the visual range of the vast majority of people, this is essentially bathing an area in totally invisible light. On … Read more

When you are choosing rechargeable walkie talkies, try to find out how long different models might stay charged. Think about the type of batteries they require as well. Pick different models up to see if they are too heavy to carry long distances. You might also want to know what the range limitations of these … Read more

In order to choose the best short message service (SMS) app for your mobile phone, you will have to know your phone’s operating system and have a clear idea about what you want out of a messaging application. SMS, also commonly referred to as a text message, is a service routinely offered as an addition … Read more

Robots continue to evolve on an ongoing basis. Once restricted to science fiction movies, robots have become a reality in modern times. Developed in many different forms, robots are actually useful tools for testing everyday products. Some robots roll around on wheels, similar to the Mars rover, while other robots are so advanced that they … Read more

A hygrometer is a device that senses relative humidity. This technology, sometimes coupled with thermometers, allows monitoring of humidity conditions for numerous industrial, commercial, and residential applications. An outdoor hygrometer differs from the indoor type in several ways: it is typically weatherproof, and provides readings over a greater range with less precision than indoor types. … Read more

Gadgets can make great gifts for people of all ages, and there is no shortage of innovation in this area. Plenty of companies make gadgets for gifts, everything from electronic wine bottle openers to solar cell phone chargers to sunglasses with speakers built in for listening to music. When you are choosing the best gadgets … Read more

One of the most common home office needs is a laser printer and, because this is often considered a big expense, it can help to think about a few details before you buy one. For example, you’ll likely want to consider how much space you have so you can choose a printer that is an … Read more

Many industries rely on transcription, in which a recorded message or hand-written notes are typed into a computer document so people can read it rather than listen to it, or read it more easily. There are a few pieces of transcription equipment necessary for this service, with a computer and either a cassette tape player … Read more

A monaural headset has a single earpiece with audio output, instead of two earpieces. These devices are also known as one ear headsets, a reference to their distinguishing feature, and they are commonly used with telephone systems. It is possible to use them with other kinds of sound and telecommunications systems, depending on the need. … Read more

A vocal microphone is a device used to pick up soundwaves created by a person’s voice. This microphone can feature different methods for picking up such sounds, and can then transfer those sounds through a cable and into a mixing board, amplifier, or recording device. The two most common types of microphones used as a … Read more