12-09-17 A dramatic plan to transport humans beyond the solar system within 100 years today received the backing of former President Bill Clinton. 美国正在开展一项名为百年星舰的宇宙探索计划,希望在百年内能够让人类冲出太阳系,抵达其他遥远的星球。该计划获得了...
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...
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...
12-07-13 Scientists have long believed that comets and, or a type of very primitive meteorite(陨星) called carbonaceous chondrites(碳粒陨星) were the sources of early Earth's volatile elements -- which include hydrogen, nitrogen, and carbon -- and possib...
12-06-06 A solar-powered plane has landed in Morocco after flying from Spain, completing the second leg of its pioneering journey. 一架太阳能飞机从西班牙起飞并降落在摩洛哥,完成了其开创性旅程的第二步。 The carbon-fibre plane is the size of an Airbus A340 but...
12-03-08 A strong solar storm is expected to hit Earth shortly, and experts warn it could disrupt power grids, satellite navigations systems and plane routes. 一股强烈的太阳风暴不久将侵袭地球,专家警告这会影响到电网、卫星导航系统和航班路线。 The storm - the...
11-12-23 Imagine if the next coat of paint you put on the outside of your home generates electricity from light -- electricity that can be used to power the appliances and equipment on the inside. A team of researchers at the University of Notre Dame has mad...
11-12-23 Creating semiconductor structures for high-end optoelectronic(光电子的) devices just got easier, thanks to University of Illinois researchers. The team developed a method to chemically etch(蚀刻) patterned arrays in the semiconductor gallium ars...
11-12-11 More peer-reviewed scientific studies of the effects on wildlife of large-scale solar energy developments and operations are needed to adequately assess their impact, especially in the desert Southwest, according to a scientific literature review co...
11-12-06 University of California, Berkeley, astronomers have discovered the largest black holes to date - two monsters with masses equivalent to 10 billion suns that are threatening to consume anything, even light, within a region five times the size of our...