2012-11-30

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TED-Ed

View full lesson: http://ed.ted.com/lessons/patricia-burchat-sheds-light-on-dark-matter

Physicist Patricia Burchat sheds light on two basic ingredients of our universe: dark matter and dark energy. Comprising 96% of the universe between them, they can't be directly measured, but their influence is immense.

Talk by Patricia Burchat.