Aug 262021

Scientists have captured unprecedented observations of bizarre signals in space, revealing new insights about why some of these unexplained pulses, known as fast radio bursts (FRBs), appear to flash in clear periodic patterns. First detected in 2007, FRBs are extremely bright radio pulses that erupt for a fraction of a second, but can still be observed across billions of light years, suggesting that they are powered by highly energetic sources. Some FRBs are one-offs that seem to only flash a single signal, while others are “repeaters” that produce multiple pulses.  It gets weirder: two of those repeaters show periodicity in their pulses, meaning that they have distinct active and dormant phases. Some scientists have proposed that…

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