If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.

而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。

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While it's going to be a while before we can play at being Harry Potter, Pendry gets credit for bringing fiendishly complex physics into the mainstream media.

尽管我们在上演哈利·波特的隐身术之前恐怕还需要一段时间，但潘德瑞仍因其将理论极为复杂的物理学引入主流媒体而受到好评。

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'I'm going to have to work a lot harder to get into the school I want,' says Kunal Das, 25, a search media strategist at Microsoft Corp. in New York.

“要想进入心仪的学校，我必须更加努力才行。”25岁的库纳尔·达斯(Kunal Das)说，他在微软纽约分部担任搜索媒体策略师。

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While the case of Fabrice Muamba, the former Bolton player who collapsed on the pitch after going into cardiac arrest, drew intense media coverage, Mendieta did not have the same fortune.

CNN: December 6, 2012 -- Updated 1824 GMT (0224 HKT)

Going into the 2012 election year, politicians and their media consultants have much to learn from the current trends in the product-marketing world.

FORBES: For Politicians, Some Lessons From Brand Marketing

Patient confidentiality constrained her from going to the media, and her responsibility to her client made her wary of turning him into a public victim.

NEWYORKER: In Plain View