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Home / Science / Scientists have created a fast, accurate, AI-based universe simulation, but they do not know how – BGR

Scientists have created a fast, accurate, AI-based universe simulation, but they do not know how – BGR



Everyone had one or two moments in his life where he performed an incredible feat, but can not explain how he did it. Maybe it was an almost superhuman catch in a softball game or a test without a degree. Anyway, it has happened to all of us, and now a group of astrophysicists has to deal with their own unexplained luck in a very public way.

The international team of scientists built a three-dimensional simulation of the universe that is incredibly fast and remarkably accurate. The only problem? You have no idea why it works as well as it does.

The work, which is the subject of a new paper that was published in Proceedings of the National Academy of Sciences is an incredible leap in the universe simulation

The system is capable of its simulations much faster than its predecessors, but that's only half the story. The AI-driven model can also simulate what the universe might look like under many different conditions, and the scientists who created it have a hard time explaining how this is possible.

"It's like having image recognition software with lots of pictures of cats and dogs, but then it's able to spot elephants," said Shirley Ho, co-author of the study, in a statement. "Nobody knows how it works, and it's a big puzzle that needs to be solved."

The system, called the Deep Density Displacement Model, could quickly become a topic for scientists who want to better understand the intricacies of deep learning. For astrophysicists, it could be a useful tool for future research and provide more accurate results than the alternatives.

Image Source: NASA

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