Solar Dynamics Observatory Launch, Feb 11, 2010 A sun dog is a prismatic bright spot in the sky caused by sun shining through ice crystals. The Atlas V rocket exceeded the speed of sound in this layer of ice crystals, making the shock wave visible from the ground. The announcer can be heard in the [...]
Charlie Rose: A discussion about theoretical physics with Harvard professor Lisa Randall. Her book is called “Warped Passages: Unraveling the Mysteries of The Universe’s Hidden Dimensions”. A short second segment: With Harvard biology professor Edward O. Wilson. His latest book is “The Creation: An Appeal to Save Life on Earth”. total run time 56 mins.
[viddler id=da72cd11&w=437&h=370] In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein’s notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mind-bending theory may soon be put to the [...]
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