“Alien: Earth”: This is what Alien’s creature looks most in nature
Science & Technology

“Alien: Earth”: This is what Alien’s creature looks most in nature

It is one of the most emblematic antagonists in the history of science fiction, the xenomorphe ofAlien has terrified us for decades. Researchers have tried to know what he could look like if he really existed. It has been almost half a century that he makes us scream, even if in space " No one hears us ». The XénomorpheXénomorphe of the saga Alien again returns this year on screens with the new series Alien : Earthwhich depicts events taking place a few years before the 1979 original film by Ridley Scott. Ferocious beast from the macabre imagination of Hr Giger, the xenomorph is a kind of parasiteparasite au skullskull Lying whose different stages of evolution are revealed to us as the saga progresses. And if this enemy has become one of the symbols of science fiction,...
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Alien life is out there. Can AI find it?
Science & Technology

Alien life is out there. Can AI find it?

NASA Space Technology As a machine learningscientist at NASA, Hamed Valizadegan once trained an algorithm to examine images of blood vessels in astronauts’ retinas, improving efforts to understand vision changes in microgravity. It was important work, but Valizadegan, who never lost his childhood love of the night sky, couldn’t shake his desire to study the stars.“I could watch the sky for hours, contemplating the meaning of life and whether we are alone in this vast universe,” he says. Early on, however, his space scientist colleagues seemed reluctant to embrace artificial intelligence as a tool for exploring the cosmos. That may be because advanced algorithms don’t typically show their work. Sophisticated AI systems are inspired by the brain, so individual synthetic “neurons” make computations and then pass information to other nodes in the network. The resulting...
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