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Tag Archives: Radio

No GPS? A DIY Radio Transmitter Can Help You Navigate

Suppose you traveled back in time—say 40,000 years into the past—and then you got stuck. What would you do? How would you rebuild all the stuff that you like? That’s the premise of the book How to Invent Everything: A Survival Guide for the Stranded Time Traveler, by Ryan North. ...

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The Rebirth of Radio Astronomy

In the early 1930s, Bell Labs was experimenting with making wireless transatlantic calls. The communications goliath wanted to understand the static that might crackle across the ocean, so it asked an engineer named Karl Jansky to investigate its sources. He found three: nearby thunderstorms, distant thunderstorms, and a steady hiss, ...

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A repeating fast radio burst from an extreme environment

New detections of radio waves from a repeating fast radio burst have revealed an astonishingly potent magnetic field in the source’s environment, indicating that it is situated near a massive black hole or within a nebula of unprecedented power. The findings by an international team of astronomers, including Victoria Kaspi ...

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Ultra-Powerful Radio Bursts May Be Getting a Cosmic Boost

Some of the brightest flashes in the universe may be coming into focus. So-called fast radio bursts are enigmatic, ultra-brief, ultra-powerful bursts of energy coming from distant galaxies. They last for only a fraction of a second, but in that time they emit the energy of perhaps 500 million suns. ...

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Formula One: Grand Prix Teams Balk at New Curbs on Radio Use

SHANGHAI — Probably no other sports event has as many existential questions about the use of technology to assist its participants than the technologically highly advanced Formula One series. As it prepares for its third race of the season at the Chinese Grand Prix in Shanghai this weekend, Formula One ...

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