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Dark Energy: Still a Puzzle | Cosmic VariancePeople should not be afraid of dark energy. Remember that the problem with the cosmological constant isn’t that it’s mysterious and ill-motivated — it’s that it’s too small! The naive theoretical prediction is larger than what’s required by observation by a factor of 10^120. That’s a puzzle, no ...
Charles Daney
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2 months ago
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Death Rays From Space: How Bad Are They? -- Space.comCosmic rays pour down on Earth like a constant rain. We don't much notice these high-energy particles, but they may have played a role in the evolution of life on our planet.
Charles Daney
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2 months ago
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Top quark chefs -- symmetry breakingFermilab physicists are examining the production, properties, and decay of top quarks to gain the most complete picture of the particle possible. They compare their observations to predictions made in the Standard Model of physics and in theories that build on that model.
Charles Daney
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2 months ago
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The secret lives of particles -- US LHC BlogWhat do quantum particles do when we're not looking? Probably not what you'd expect.\n\nWhile the mathematical formalism 'behind the scenes' is perfectly well-defined and the predictions by the theory are completely sensible (and rigorously tested), it is often difficult to interpret the ...
Charles Daney
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2 months ago
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Particle Imbalance May Upset The Apple Cart / Science NewsResearchers have found an unexpected asymmetry in particle production that could hint at exotic physics. The tentative evidence, announced August 21, could be the fingerprint of a massive elementary particle that would help unify three of the four known forces in nature.
Charles Daney
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2 months ago
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