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SpaceA Milky Way flash implicates magnetars as a source of fast radio bursts
A bright radio burst seen from a magnetar in the Milky Way suggests that similar objects produce the mysterious fast radio bursts observed in other galaxies.
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PhysicsA new device can produce electricity using shadows
Even under low light, this new technology exploits the contrast between light and shade to produce a current that can power small electronics.
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HumansLidar reveals the oldest and biggest Maya structure yet found
A previously unknown Maya site in Mexico, called Aguada Fénix, adds to evidence that massive public works may have preceded kings in the civilization.