If ultimately true, the universe will reach its maximum size around 11 billion years from now. At that point, physics (and ...
We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if ...
The laws of physics are constant and unchanging . . . or are they? Researchers are beginning to find tantalising evidence that the physical constants of science might not be as absolute as we thought.
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