• 研究人员揭开能级排列之谜

    11-11-07 Solar power may be on the rise, but solar cells are only as efficient as the amount of sunlight they collect. Under the direction of a new McCormick professor, researchers have developed a new material that absorbs a wide range of wavelengths and co...

  • 蛋白质在植物趋光性中起重要作用

    11-10-13 Plants do not have eyes or legs, yet they are able to see and move toward and away from light. This ability, called phototropism(趋光性) , is controlled by a series of molecular-level signals between proteins inside and between plant cells. In a p...

  • 星系发出的光印证相对论

    11-09-29 All observations in astronomy(天文学) are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy are based on the...

  • 斯坦福科学家发明纳米级非线性光源

    11-09-23 Not long after the development of the first laser in 1960 scientists discovered that shining a beam through certain crystals produced light of a different color; more specifically, it produced light of exactly twice the frequency of the original. Th...

  • 石墨烯可能用于搭建超高速网络

    11-08-31 Writing in the journal Nature Communications, a collaboration between the Universities of Manchester and Cambridge, which includes Nobel Prize winning scientists Professor Andre Geim and Professor Kostya Novoselov, has discovered a crucial recipe fo...

  • 想洞悉对方想法 “社交X光”眼镜帮忙

    11-07-24 Going on a date can be a nightmare for the best of us. But now a pair of social X-Ray glasses promises to tell you exactly what the other person is thinking - and when you should stop talking. 对大多数人来说,赶赴约会都有可能变成噩梦一...

  • 嫦娥奔月

    11-07-15 One day, when Houyi was out, Chang'e secretly swallowed the potion(一剂) in the hope that she would become immortal. The result was quite unexpected: she felt herself becoming light, so light that she flew up in spite of herself, drifting and floa...

  • Blue Window

    11-06-09 Blue Window James Meetze You are an arc of light in sycamore(美国梧桐) leaves, churned-up dust, the sun's disturbance, beside workers and workday traffic. Bronze light in every space we inhabit. This big sky we are under, a portal without law. Eve...

  • 驯鹿眼中的紫外线世界

    11-05-30 Researchers have discovered that the ultraviolet (UV) light that causes the temporary but painful condition of snow blindness in humans is life-saving for reindeer in the arctic. A BBSRC-funded team at UCL has published a paper today (12 May) in the...

  • A Useful Lesson

    11-05-20 In England nobody under the age of eighteen is allowed to drink in a public bar. Mr. Thompson used to go to a bar near his house quite often, but he never took his son, Tom, because he was too young. Then when Tom had his eighteenth birthday, Mr. Th...