Saturday , February 23 2019
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‘Stealth’ material hides hot objects from infrared eyes

Infrared cameras are the heat-sensing eyes that help drones find their targets even in the dead of night or through heavy fog. Hiding from such detectors could become much easier, thanks to a new cloaking material that renders objects — and people — practically invisible. “What we have shown is ...

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Family DNA Testing at the Border Would Be an Ethical Quagmire

In the unfolding family separation crisis at the US-Mexico border, one thing has become increasingly clear; the federal government lacks any real plan for reuniting children with their parents. On Wednesday, President Trump signed an executive order that would keep children and their parents together, though in indefinite detention. But ...

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Einstein proved right in another galaxy

An international team of astronomers have made the most precise test of gravity outside our own solar system. By combining data taken with NASA’s Hubble Space Telescope and the European Southern Observatory’s Very Large Telescope, the researchers show that gravity in this galaxy behaves as predicted by Albert Einstein’s general ...

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WHO Calls Gaming Disorder an Illness. Experts Say Not So Fast

Troubling news for Fortnite-obsessives: The World Health Organization this week included “gaming disorder” as a new mental health condition in the 11th edition of its International Classification of Diseases. The WHO previously added the disorder in the draft for the ICD-11 earlier this year. Now it’s official. The revision comes ...

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Trump Hasn’t Signed a Space Force Into Being—Yet

After months of teasing a new military arm devoted to extra-stratospheric security, President Donald Trump publicly ordered the Department of Defense and the Pentagon to immediately begin establishing a Space Force as the sixth branch of the armed forces on Monday. Well, maybe. The president’s statement was not accompanied by ...

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This Crazy Slide Is Either Evil or Funny

[embedded content] Why would you build a slide like this? It’s really long and it’s really straight. When humans get to the end, they can’t stop. I don’t know what the designer was thinking—maybe the intent was to build a slide that would produce excellent videos of people crashing at ...

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