Experiment sees surprising result in search for dark matter

For the better part of a century, people have been trying to understand dark matter. This invisible substance makes up roughly 85% of the mass in the universe but has never been directly detected. Determining exactly what it is remains one of the biggest questions about our world.

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Ultrafast snapshots reveal the first moments on the way from light to electricity

Physicists at the University of Graz (Austria), in collaboration with colleagues from Marburg University and Forschungszentrum Jülich (Germany), have achieved a scientific breakthrough. For the first time, the generation of electrical energy from light has been filmed and described theoretically.

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NYPD cops kill woman stabbing bystanders in Times Square

Officers deployed TASERs in an effort to get the woman to drop the two knives she was holding; she threatened to kill officers before they fired shots

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Florida bans ALPRs installed by local law enforcement from all state roads

The Florida Department of Transportation is giving law enforcement agencies 30 days to remove license plate readers from all of the state roads it maintains

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A supermassive black hole erupted in X-rays, and its radio jets followed 300 days later

By combining roughly two decades of observations from NASA’s Swift X-ray Telescope with radio monitoring, astronomers have caught a supermassive black hole at the heart of the Perseus Cluster suddenly flaring in X-rays, and about 300 days later, its powerful radio emission flared too. Their paper describing the connection between this black hole’s accretion disk […]

Declining star formation not caused by simple ‘fuel crisis,’ new measurements suggest

The universe has been having fewer and fewer stellar “babies.” Over the past 4.5 billion years, the rate of star birth has crashed to less than half of what it once was. But here’s the twist: the most essential “fuel” for making stars has barely decreased.

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