LiveJournal is a blogging platform that was launched in 1999. It allows users to post journal entries, which can be text, images, audio, or video. Entries can be public or private, and friends can be invited to view private entries. LiveJournal also has a “friends list” feature, which allows users to see recent updates from … Read more

Atomic clock (NIST-F1)

An atomic clock is a type of clock that uses an atomic resonance frequency standard as its timekeeping element. Atomic clocks are the most accurate timekeepers known, and are used as primary standards for international time distribution services, such as Coordinated Universal Time (UTC). The NIST-F1 atomic clock is a cesium atomic fountain clock located … Read more


The history of the Internet refers to the history of the global interconnected network of computers that use the Internet protocol suite (TCP/IP) to communicate with each other. The Internet, sometimes called simply “the Net,” is a worldwide system of computer networks in which users at any one computer can, if they have permission, get … Read more

Digital object identifier (DOI)

A digital object identifier (DOI) is a unique alphanumeric string used to identify an object in the digital world. DOIs are assigned to digital objects such as online articles, e-books, digital images, and data sets. They are used to provide a permanent link to the digital object so that it can be easily located and … Read more

Facebook Live

Facebook Live is a live video streaming service that allows users to broadcast live video content through their Facebook profiles or Pages. Live videos can be up to four hours long and can be watched by anyone who has access to the post. Users can choose to share their live video with just their friends, … Read more

Network slicing

Network slicing is a technique used to partition a physical network into multiple logical networks. This allows different types of traffic to be isolated from each other on the same physical infrastructure. For example, a network slice could be created for real-time traffic such as video and audio, another slice could be created for latency-sensitive … Read more


Redirection is the process of sending a user to a different URL than the one they originally requested. This can be done for a variety of reasons, such as to redirect a user to a more recent version of a page, or to redirect a user to a page in a different language. Redirection is … Read more

Internet TV

Internet TV refers to the delivery of television content over the internet. This can be done in a number of ways, including through a dedicated TV channel, an app on a smart TV or streaming media player, or by visiting a website that offers TV content. Internet TV offers a number of advantages over traditional … Read more

Deep Web

The Deep Web is the part of the Internet that is not indexed by search engines. It includes many websites that require a login, and it is estimated that the Deep Web is hundreds of times larger than the surface web. The Deep Web is also sometimes called the Invisible Web or the Hidden Web. … Read more

Interstitial (in between)

The term “Interstitial (in between)” is used to describe a type of advertising that is typically displayed between two pieces of content on a web page. This type of advertising is usually less intrusive than other types of advertising, and can be a good way to monetize a website without disrupting the user experience. Whats … Read more