Digital watermarks are invisible or visible marks on an electronic image, music, video, text, or any material that serve the purpose of protecting the copyright of a material’s owner. In this sense, digital watermarks are like the watermarks used in currencies for counterfeit security. Stenography can also be applied in digital watermarks if one wants to make the watermark less detectable. A digital watermark is primarily a transparent image overlaid on the actual image. In some cases, though, digital watermarks cannot be detected by the human eye and includes important Read More

A Firefox Theme is a type of Firefox Add-On that can be installed in order to change the appearance and/or functionality of Mozilla Firefox. Firefox Themes allow users to customize the “look and feel” of their web browser without removing any of the basic functions provided by Mozilla Firefox. Firefox Themes can be created by any Firefox user, but are most commonly created by Firefox developers, and are the Firefox equivalent of Google Chrome Themes or Windows Live Themes.   How To Get Firefox Themes Users can download and install Read More

A Nouse is a new computer technology that has been invented and is being developed by Dr. Dmitry Gorodnichy from the Institute of Information Technology in Ottawa. The project is called Nouse Perceptual Vision User Interfaces, and is under the Video Recognitions Project. This is also known as Perceptual Vision Technology. This technology will enable computer users to use their eyes and nose as pointers in place of a conventional mouse pointer and will serve as a hands-free alternative for computer users. How It Works The face, most especially the Read More

Windows Powershell is a program that consists of a command-line prompt and provides users with the ability to perform specific operations that cannot be achieved through other means. Windows Powershell is built on top of the .NET Framework and is fully integrated into all .Net Framework applications as well as third party applications, including graphical user interfaces. Windows Powershell can be used as a stand alone program or combined with a variety of scripting languages in order to expand its natural functions. How Powershell Works Windows Powershell allows users to Read More

Voice over Internet Protocol (VoIP) is a relatively new technology, because of which individual businesses will need someone who is well versed in the intricacies of VoIP. Companies are often willing to invest in training their IT administrators in VoIP because of the sure returns. But, where do you go to obtain a training course that delineates all the necessary concepts and details you need? There are various options available for those wanting to get themselves trained in VoIP technology. The primary means of training are through self-study coupled with Read More

A honeypot is a trap that's used to identify, avert and, to some extent, neutralize attempts to hijack information systems and networks. It is usually made up of a single computer or a network site that disguises itself as a normal computer or network. It can also morph to look like an unused IP address, a file or a record. It tempts hackers by pretending to contain data that cyber criminals often deem important. It can deceive the hacker into thinking that it is an open proxy. A honeypot is Read More

Geothermal energy is a clean and renewable source of energy that comes from the magma typically found underneath the earth's surface. Specifically, the heat of the magma is indirectly utilized to generate large amounts of electricity using modern technology. Geothermal Power Plants Geothermal power plants have a definite advantage over other types of energy production mechanisms in terms of cleanliness and abundance. Since only naturally occurring steam and hot water are needed to generate electricity, almost no hazardous materials are produced by such facilities. As of today, there are 3 Read More

Android applications are programs designed for the Android smartphone that allow users to perform a wide variety of tasks that standard Android system software do not support. Android applications consist of games, translation services, GPS based location services, communication programs, troubleshooting software, and much more. While many Android applications cost several dollars each, many more are completely free and can be downloaded from the Internet via the Android itself.   How to Install Android Apps Installing Android applications is incredibly easy as users can do so from the same menu Read More

Electrosurgery is the the term used when high-frequency electrical current is used to cut, fulgurate, desiccate, or coagulate tissue with very little blood loss during surgery. The Harmonic scalpel is one of two competing brands in this field that help increase a surgeon’s efficiency and reduce the overall recovery time for patients. The device consists of an electrosurgery system that contains a cutting instrument, hand-held ultrasonic transducer, foot-pedal, and generator. What Is Electrosurgery? Electrosurgery uses a high-frequency current to cut tissue during surgery. Unlike traditional hand-held scalpels, this process allows Read More

A momentary switch is one that is capable of turning a device on or off when a user presses it. Momentary switches represent one of two forms of switches, the other being a traditional on/off switch. They are found in many electronic devices and are usually buttons. Momentary switches are a type of biased switch and are available in two types: push-to-make and push-to-break. How a Momentary Switch Works A momentary switch acts as a regular switch in order to connect two metal contacts and complete an electrical circuit. However, Read More