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Podcast: The World, the Universe and Us
Episode: Weekly: Does Google’s new quantum computer prove the multiverse exists?; 8 ways to keep your brain young
Description: Episode 280Google claims it has pulled ahead in the race for quantum supremacy. Its new Willow chip has completed a task in 5 minutes that a classical computer would take 10 septillion years to complete. But the biggest breakthrough is how it excels in error correction. Find out what this means and why some scientists believe this new quantum computer proves the existence of the multiverse.Data from one of the world’s largest collections of brain scans is shedding new light on how to keep our brains young. Analysing scans from the UK Biobank project, scientists ha...