Einstein’s “biggest blunder” may finally have an explanation
science
According to ScienceDaily, physicists may have finally solved one of Einstein's most famous regrets. Einstein once called the cosmological constant—a mysterious force driving cosmic expansion—his biggest blunder. Now, researchers have uncovered an elegant explanation: quantum gravity and exotic quantum states may actually stabilize space-time itself, protecting the universe from wild, runaway expansion. The implication is profound: Einstein's supposed mistake might not be a mistake at all. Instead, the cosmological constant appears to be a natural consequence of how quantum physics and gravity interact at the universe's deepest levels. This discovery bridges two of physics' most difficult frontiers and suggests the cosmos has built-in protections against chaos.
Source: https://www.sciencedaily.com/releases/2026/06/260619020516.htm
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