Radio Waves
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If you could zoom way out to look at the universe at its largest scale, you’d see that it’s made up of a colossal cosmic web. Now, astronomers have detected shockwaves moving through this web, providing new insights into large-scale magnetic fields.
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The chances are incredibly small that Earth is the only planet with life. A new AI system has scoured millions of radio signals from space to identify any with potential artificial origins – and discovered eight signals that look intriguingly alien.
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Models of the universe predict that supernova remnants should be far more common than they are. Now, a new image from sensitive radio telescopes reveal that the missing remnants are hiding in plain sight.
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By modifying an off-the-shelf Wi-Fi router with a firmware update and using a deep-learning algorithm, scientists have been able to detect breathing patterns that indicate respiratory distress in a medical mannequin.
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A highly sensitive, next-generation radio observatory has started to come to life, with construction now officially underway on the Square Kilometre Array (SKA), a dual-site science facility located in Australia and South Africa.
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While many dog (or cat) owners would like to know what their pet does all day while left home alone, they don't necessarily want a bunch of cameras placed inside their house. The PetTrack system offers a less intrusive alternative, as it keeps tabs on pets via radio signals.
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Astronomers have detected an extremely strange radio signal from a distant galaxy that pulses with a heartbeat-like rhythm. This signal lasted about 1,000 times longer than other fast radio bursts, and had a clear periodic pattern to its pulses.
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Astronomers have discovered a bizarre radio signal in our galaxy that can’t be explained by any known object. When active the source gives off radio bursts lasting a minute, every 20 minutes, which should be impossible based on what we know about it.
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Astronomers have discovered strange radio signals that could be coming from unseen planets. Models suggest that interactions between the magnetic fields of planets and their host stars produce radio emissions – a new potential way to detect planets.
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Researchers have demonstrated a new approach to harnessing the power of ambient radio waves, developing a novel chip that can convert Wi-Fi signals into power for a small LED, and possibly other small electronics and sensors.
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The mystery of fast radio bursts may be closer to being solved. Astronomers studying a repeating signal from a nearby galaxy have detected radiation at the lowest frequency of any FRB found so far, providing new potential hints about their origin.
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Even though at-home use of an inhaler or insulin pen can be extremely important, doctors have to pretty much just hope that patients are doing it right. A new system, however, could objectively assess patients' technique within their homes.
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