Xiang Zhang

Aug. 15, 2008

Towards a Super Lens -- Or Invisibility?

Ira talks with one of the researchers behind a material that can make light bend in unusual ways -- potentially leading to more powerful optics, or even a cloak of invisibility.

diffraction, refraction, optics, metamaterial

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Michael Pollan Talks Plants and Food

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The Science of Laughing and Humor

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Mystery Box

The Serious Science of Humor

Author Scott Weems lets us in on the jokes and uncovers the science of humor.

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