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magnetar

Repeated radio bursts from nearby star suggest such signals are common

16 November 2020

The first source of fast radio bursts inside our galaxy is also producing much weaker signals, suggesting FRBs could be common throughout the universe
LED satellite

Satellites with flashing LEDs could help avoid catastrophic collisions

13 November 2020

It’s difficult to keep track of satellites in Earth’s orbit and avoid collisions – making them flash dimly should help, without interfering with astronomical work

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