• 双子座行星成像仪已被送入太空

    14-01-08 After nearly a decade of development, construction and testing, the world's most advanced instrument for directly imaging and analyzing planets orbiting around other stars is pointing skyward and collecting light from distant worlds. Even these earl...

  • In Bloom, Where the Meadow Rises

    13-12-19 In Bloom, Where the Meadow Rises Nathaniel Perry Do you remember when the sky burned down its wick of light as an April cold came on the evening of your fifth day in the world? Of course you don't, you couldn't even hold your head up yet, much less...

  • 量子效应有助细胞捕捉阳光

    13-12-09 Sophisticated recent experiments with ultrashort laser pulses support the idea that intuition-defying quantum interactions between molecules help plants, algae(藻类) , and some bacteria efficiently gather light to fuel their growth. But key detail...

  • 等离子晶体可以调整光频

    13-10-30 Gems are known for the beauty of the light that passes through them. But it is the fixed atomic arrangements of these crystals that determine the light frequencies permitted passage. Now a Sandia-led team has created a plasmonic, or plasma-containin...

  • My Mother

    13-10-29 My Mother Ellen Bryant Voigt my mother my mother my mother she could do anything so she did everything the world was an unplowed(未整修过的) field a dress to be hemmed a scraped knee it needed a casserole(勺皿,砂锅菜) it needed another alto in...

  • Tiny Women

    13-10-11 Tiny Women Martha Collins The tiny women muster(集合,检阅) green, leaf They do not celebrate more They will not hill or pillow The tiny women slip under doors, window walls, disturb They forage time, rest at attention, stir up stalled air Togethe...

  • 车轮状LED能效更高

    13-09-30 One problem in developing more efficient organic LED light bulbs and displays for TVs and phones is that much of the light is polarized in one direction and thus trapped within the light-emitting diode, or LED. University of Utah physicists believe...

  • 科学家发现制造更小电子产品的方法

    13-09-04 An international group of researchers from the University of Minnesota, Argonne National Laboratory and Seoul National University have discovered a groundbreaking technique in manufacturing nanostructures that has the potential to make electrical an...

  • 研究人员试图用光稳定心率

    13-08-29 When a beating heart slips into an irregular, life-threatening rhythm, the treatment is well known: deliver a burst of electric current from a pacemaker or defibrillator(去纤颤器) . But because the electricity itself can cause pain, tissue damage...

  • 巴西机修工发明水瓶灯泡

    13-08-19 A Brazilian mechanic has invented a way of lighting his house during the day without relying on electricity. 一位巴西机修工发明了一种日间不需用电即可为房屋照明的方法。 Alfredo Moser has been using plastic bottles filled up with water and a splash of...