THE ENERGY OF EMPTY SPACE THAT ISN’T ZERO

From The Edge:

Krauss_1 I just returned from the Virgin Islands, from a delightful event — a conference in St. Thomas — that I organized with 21 physicists. I like small events, and I got to hand-pick the people. The topic of the meeting was “Confronting Gravity. ” I wanted to have a meeting where people would look forward to the key issues facing fundamental physics and cosmology. And if you think about it they all revolve in one way or another around gravity. Someone at the meeting said, well, you know, don’t we understand gravity? Things fall. But really, many of the key ideas that right now are at the forefront of particle physics cosmology, relate to our lack of understanding of how to accommodate gravity and quantum mechanics.

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