From StarTalk.

Neil deGrasse Tyson and Brian Greene delve into dark energy and the cosmological constant from Einstein’s equations and how the failure of quantum theory to accurately predict dark energy reveals a profound gap in our understanding of gravity, suggesting that gravity and quantum mechanics may require a fundamentally new, unified approach. This challenge is not a setback but a scientific opportunity.

From ‘Neil deGrasse Tyson and Brian Greene Confront the Edge of our Understanding’: ‘https://youtu.be/1L6hinhDXQE?si=9oJy4BW4myDfnbwj’

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