The cellular electronic payment described in this scenario may seem futuristic, but consider that: TheTrainLine, a British train ticket retailer, is piloting a smart-ticketing system that allows riders to link train tickets to NFC-enabled cell phones such as the Nokia 6131. The rider buys tickets online using a mobile phone or PC. At the station, […]
How Cellular Electronic Payments Work Read More »
Whether you’re recording a podcast, musical track or field recording, you want to ensure that your audio is crystal clear every time. Condenser microphones are an excellent tool that delivers high sensitivity to capture subtle nuances and smooth frequency response [source: Apex]. Whether you’re plucking, drumming, singing or speaking, condenser microphones create high-quality audio. Read
How to Use a Condenser Microphone Read More »
The article How Electric Motors Work explains how brushed motors work. In a typical DC motor, there are permanent magnets on the outside and a spinning armature on the inside. The permanent magnets are stationary, so they are called the stator. The armature rotates, so it is called the rotor. The armature contains an electromagnet.
How does a brushless electric motor work? Read More »
Early Sitcoms Although television premiered in the early 1930s, it wasn’t until after World War Two that families began to switch over from radio. As television became popular, networks began searching for content. CBS hired a manager of program development, Worthington Minor, who sought out new ideas. Since short situational radio comedies had been popular
Internet radio has been around since the late 1990s. Traditional radio broadcasters have used the Internet to simulcast their programming. But, Internet radio is undergoing a revolution that will expand its reach from your desktop computer to access broadcasts anywhere, anytime, and expand its programming from traditional broadcasters to individuals, organizations and government. Freedom of
How Internet Radio Works Read More »
Depending on how loosely you define VR, it might only require a computer with a monitor and a keyboard or a mouse. Most researchers working in VR say that true virtual environments give the user a sense of immersion. Since it’s easy to get distracted and lose your sense of immersion when looking at a
How Virtual Reality Gear Works Read More »
We’re going to describe the warning signs of a hard drive failure, explain the internal parts of a hard drive and why they fail, and then we’ll go through a few steps you can take to recover your data. While the files can’t always be recovered, there’s a chance you might be able to retrieve
How To Recover Lost Data from Your Hard Drive Read More »
Vampire Power Causes In the average U.S. home, 25 percent of electricity use by home electronics occurs while the products are off [source: Pogue]. Is this power used for anything? Do electronics manufacturers hate the environment? Vampire power causes usually include one of the following: The gadget, such as a cell-phone AC adapter, constantly supplies
How Vampire Power Works Read More »
Video game testing plays a crucial role in the development of new video games. Game testers put games through the paces while still in development and when finished, to ensure gamers have a good experience. Game testers conduct video game QA, or quality assurance, finding mistakes, bugs and other problems that could annoy or turn
How Video Game Testers Work Read More »
If you own one of these phones, you may have wondered how two separate phone lines could originate from one device. After all, single-line and two-line phones look remarkably alike, and they plug in the same way. Where’s the magic? Pull the phone cord out of the jack and look at it closely. You’ll probably
How Two-line Phones Work Read More »
