单词:monolithic microlens arrays
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Decoding The Matrix Carrie-Anne Moss (“Trinity”) : It’s very rare that you actually get to 1) merge what you do with what you believe in. The Matrix: we had a life changing experience making it
This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece
By David McAlary Washington 14 September 2006 The International Space Station has spread a new pair of golden wings. They are solar panels that will double the amount of power available to the outpost. Unfurling them took longer than expected becaus
Now, let me be very clear: the 14.8 percent of Americans living in poverty need money, plain and simple. 我说的再明白一些,就是在美国,穷人占14.8%,他们需要钱,简单易懂。 And all of us need policies that protect us from
Early warning systems can be the difference between life and death in earthquake-prone regions. But they are expensive. The US, Mexico and Japan have such systems. That leaves large swats of central and South America, Asia and the Caribbean unprotect
The worlds best tourist destination? Its not Spain, the US, or even Telegraph Travel readers favourite country New Zealand, but Ethiopia, according to the European Council on Tourism and Trade. 哪里是世界最佳旅游目的地呢?在对旅游和贸