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Radio

A team of engineers from Columbia University has created a nano-mechanical system with the ability to create FM radio signals. In other words, they've built what is effectively the world’s smallest FM radio transmitter. Read More
Radio has come a long way since Marconi bashed a telegraph key and radar is a miracle compared to when it was just a squiggle on a cathode tube, but despite a century of advances, they’re still prone to the same problems as the first pioneers encountered. For five days in July, the Office of Naval Research’s (ONR) Research Vessel (R/V) Knorr made a survey in the waters off Virginia Beach, Virginia using ScanEagle UAVs to study the effect of oceanic and atmospheric changes on radar and radio waves with the aim of producing more secure military communications and improve the ability of radar to detect hostile craft. Read More
Reports that the High Frequency Active Auroral Research Program (HAARP) had been shut down permanently were apparently a bit premature. According to HAARP program manager James Keeney, the facility is only temporarily off the air while operating contractors are changed. So why does anyone care? Despite being associated with various natural disasters over the past two decades by the conspiracy fringe, HAARP is in reality a facility for studying the ionosphere. Let's take a look at the goings on at HAARP – past, present, and future. Read More
Radio plays can transport listeners to far away exotic settings but the BBC’s prototype Perceptive Radio aims to give listeners a more localized experience. Shown to the public recently at the Thinking Digital Conference in Gateshead, UK, the Perceptive Radio uses local data and onboard sensors to adjust itself and even alter the script of a radio play in real time to reflect local conditions. The goal is to make listening to the radio more like attending live theater. Read More
At CES Unveiled, we had the chance to sit down with Etón, a company that builds products for entertainment and safety that can rely on hand cranks or solar power to keep them running. In addition to the FRX series and the Rukus and Rukus Solar it was also spruiking at last year's show, the company is displaying its new ZoneGuard series alongside a couple of additions to its Rukus line and the new BoostSolar Mobile Charging Solution. Read More

Radio receivers have changed greatly since the first units became widespread in homes at the beginning of the previous century. However, throughout each iteration, switching a radio on has usually entailed pressing a physical button. Plugg takes a different approach, employing a cork plug as a method of switching on or off. Read More

We expect the world to be predictable. Water flows downhill, fire burns and lenses bend light in a particular way. That worldview took a jolt as Isaac Ehrenberg, an MIT graduate student in mechanical engineering, developed a three-dimensional, lightweight metamaterial lens that focuses radio waves with extreme precision. That may not seem too disturbing, but the lens is concave and works in exactly the opposite manner of how such a lens should. Read More

The Spotify app for mobile devices is free, but to get any usability from it beyond the trial period it requires the paying of a monthly subscription fee. While those using the desktop app can make do with adverts and playback limitations, there is no other option for mobile users besides paying the aforementioned fee. However, one feature of the Spotify app has been made available to U.S. users completely free, with the radio function now available to both iOS and Android users. Read More

While electric cars are often touted as being less mechanically complex than their internal combustion-engined counterparts, there is at least one way in which they’re considerably more “involved” – their radios. Because electrical signals emitted by the car can potentially interfere with incoming radio signals, manufacturers must do things such as insulating the motor and shielding the cables. This adds time and material expenses to the production process. Now, however, researchers from Germany’s Fraunhofer Institute for Reliability and Microintegration have developed technology to help minimize the problem. Read More
While insufficient battery-life can be annoying in most mobile devices, getting cut off from the outside world because your radio has run out of juice can be much more serious. This is why Eton has been producing various devices powered by hand-turbines and solar panels for some time now. Today’s CES Unveiled saw Eton demonstrating its latest FRX line of self-powered radios that come in three flavors – the FRX 3 and FRX 2, which both sport a solar panel and hand turbine, and the FRX 1, which features just the hand-turbine. Also on show was Eton’s new Rukus portable Bluetooth sound system, which comes in battery- and solar-powered versions. Read More
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