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What if Earth is inside a black hole? The case scientists debate

Physicists have started to treat a once-fringe idea with surprising seriousness: that our entire observable universe might be ...
Opinion

Quantum computing works - now investors will see if the stocks do too

In December 2024, Google's Willow chip became the first quantum processor to demonstrate "below threshold" error correction. That's the holy grail physicists have chased for 30 years. The chip showed ...