• 平面镜片能形成更好的图像

    12-08-27 Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have created an ultrathin, flat lens that focuses light without imparting the distortions of conventional lenses. At a mere 60 nanometers thick, the flat lens is ess...

  • We can't Endure the Light of Life

    12-08-16 We cant endure the light of Love is a novel written by Czechic writer Kundera. People always get confused when whey heard this name. But when they calm down and think about it, they comprehend some profound meaning of life. People may ask what actua...

  • 夏天的飞鸟 下

    12-08-06 O Beauty, find thyself in love, not in the flattery of thy mirror. 啊,美呀,在爱中找你自己吧,不要到你镜子的谄谀去找寻。 God expects answers for the flowers he sends us, not for the sun the earth. 神希望我们酬答他,在于他送给我们的花朵,而不在于太...

  • 科学家利用光线控制猴子大脑和行为

    12-07-27 Researchers reporting online on July 26 in Current Biology, a Cell Press publication, have for the first time shown that they can control the behavior of monkeys by using pulses of blue light to very specifically activate particular brain cells. The...

  • 天文学家拍摄超高清晰的太阳日冕层

    12-07-23 Astronomers have just released the highest-resolution images ever taken of the Sun's corona(日冕) , or million-degree outer atmosphere, in an extreme-ultraviolet wavelength of light. The 16-megapixel images were captured by NASA's High Resolution...

  • 美国科学家发明高透光性太阳能电池

    12-07-23 UCLA researchers have developed a new transparent solar cell that is an advance toward giving windows in homes and other buildings the ability to generate electricity while still allowing people to see outside. Their study appears in the journal ACS...

  • 科学家扭曲光束来传输信息

    12-06-26 A multi-national team led by USC with researchers hailing from the U.S., China, Pakistan and Israel has developed a system of transmitting data using twisted beams of light at ultra-high speeds -- up to 2.56 terabits per second. To put that in persp...

  • 《国王的演讲》六

    12-05-17 精彩对白 Bertie: You've redecorated, Logue. Lionel: I made it cozy . Some fresh air. Bertie's wife: There you are, darling. Bertie: I am thistle sifter, I have a sieve of sifted thistles and a sieve on unsifted thistles..I am thistle sifter, I have...

  • 量子点点亮照明界的前景

    12-05-09 With the age of the incandescent light(白炽灯) bulb fading rapidly, the holy grail of the lighting industry is to develop a highly efficient form of solid-state lighting that produces high quality white light. One of the few alternative technologi...

  • 利用光控制量子隧穿效应

    12-04-06 Scientists at the Cavendish Laboratory in Cambridge have used light to help push electrons through a classically impenetrable barrier. While quantum tunnelling(隧道) is at the heart of the peculiar(特殊的) wave nature of particles, this is the f...