Astronomers reveal true colors of evolving galactic beasts

Astronomers have identified a rare moment in the life of some of the universe's most energetic objects. Quasars were first observed 60 years ago, but their origins still remain a mystery. Now researchers at Durham University, ...

Natural spectral lines

Certain ranges of frequency across the electromagnetic spectrum are reserved by regulators for particular applications: TV, digital radio, Wi-Fi, Bluetooth etc. Unregulated devices are precluded from broadcasting on these ...

Digital radio for the world

Digital radio makes spherics and crackling interference in radio broadcast a thing of the past. New technologies from Fraunhofer IIS make it possible for digital radio to replace analogue short and medium wave broadcasting ...

Drones left out of air traffic plans

Designers of the ambitious U.S. air traffic control system of the future neglected to take drones into account, raising questions about whether it can handle the escalating demand for the unmanned aircraft and predicted congestion ...

Radio galaxy discovery near Earth spurs more questions

Western Australia astronomers have discovered a radio galaxy near Earth by accident. The previously unknown radio galaxy is considered quite close to Earth, and was discovered late last year.

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