minute physics

Guest narrator Sean Carroll of Caltech describes dark energy and the acceleration of the universe, the discovery of which was awarded the 2011 Nobel Prize in Physics on October 4th.

Dark energy is the force necessary to explain the aspects of the universe for which dark energy is the only explanation.

Not simple enough? Let’s try this: If Susie has eight apples and you take away three, and then you look down and Susie only has four apples left, you can just say she has four regular apples and one “dark apple” and go collect your Nobel prize in the field of fruit-based arithmetic.

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