Science, Magic, and Religion--Courtenay Raia / UCLA

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source: UCLA Courses    上次更新日期：2014年7月2日
Professor Courtenay Raia lectures on science and religion as historical phenomena that have evolved over time. Examines the earlier mind-set before 1700 when into science fitted elements that came eventually to be seen as magical. The course also question how Western cosmologies became "disenchanted." Magical tradition transformed into modern mysticisms is also examined as well as the political implications of these movements. Includes discussion concerning science in totalitarian settings as well as "big science" during the Cold War.
Some clips and images may have been blurred or removed to avoid copyright infringement.
* See all the UCLA History 2D: Science, Magic, and Religion classes in this series: http://www.youtube.com/view_play_list...
* See more courses from UCLA: http://www.youtube.com/uclacourses
* See more from UCLA's main channel on YouTube: http://www.youtube.com/ucla

Lecture 1, UCLA 1:07:54
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Energy Revolution

source: Harvard University      2015年10月21日
We can launch an energy revolution that drastically decreases CO2 emission and other deleterious consequences associated with fossil fuel burning. Energy extraction can be cut by more than 50% by converting fossil fuel burning engines to electric motors and replacing fossil fuel burning power plants with renewable sources. In addition, energy efficient systems and improvements in computation and connectivity can significantly reduce energy consumption and lower energy costs. These goals can be achieved using commercially available technologies. New technologies may offer even greater opportunities.

Evan Grant: 藉由cymatics技術使聲音可視化（中英字幕）

source: TED / DesignSourceTAIWAN
Evan Grant demonstrates the science and art of cymatics, a process for making soundwaves visible. Useful for analyzing complex sounds (like dolphin calls), it also makes complex and beautiful designs.

Michio Kaku: The Universe in a Nutshell

source: bigthink
The Universe in a Nutshell: The Physics of Everything
Michio Kaku, Henry Semat Professor of Theoretical Physics at CUNY

What if we could find one single equation that explains every force in the universe? Dr. Michio Kaku explores how physicists may shrink the science of the Big Bang into an equation as small as Einstein's "e=mc^2." Thanks to advances in string theory, physics may allow us to escape the heat death of the universe, explore the multiverse, and unlock the secrets of existence. While firing up our imaginations about the future, Kaku also presents a succinct history of physics and makes a compelling case for why physics is the key to pretty much everything.

The Floating University
Originally released September, 2011.