单词:solar light
单词:solar light 相关文章
When the Solar Winds Blow 眩烂夺目北极光 by Ilse Van Wyck We usually associate blowing winds with bad weather, but on a cosmic level, solar winds are the creators of some of the most spectacular sights nature has to offer. Solar winds are stre
The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to
Scientists say they may have found the first moon outside our solar system. Many planets are known to exist beyond our solar system. But there has been no confirmation of a moon on the outside. The possible moon appears considerably larger than Earth
A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into space as light and h
This is the VOA Special English Development Report. Charles Rioba is an engineer and inventor in Kenya. He and his company, Solar World Limited, have developed a product called the PowerPack. The PowerPack is a small solar-lighting system. The devic
Newly Discovered Solar System Matches Our Own The American space agency NASA and the technology company Google have identified an eighth planet in a faraway solar system. 美国宇航局和谷歌科技公司已经发现了一个遥远的类太阳系中
Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.
The source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into
Scientists Testing Space Propulsion by Light 科学家测试太阳能动力 Can the sun provide power for a spaceship to travel to the edge of our solar system? The answer may come from a small satellite. A Delta V rocket carried the satellite into s
Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e
'Solar Suitcase' Aids Doctors in Developing World Every expectant mother wants a healthy baby. But many clinics in sub-Saharan Africa lack the basics that doctors and nurses need to ensure safe deliveries for parent and child. One of these basics is
New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping
Senegalese Villages Turn to Solar Power In Senegal, growing electricity shortages are forcing more and more people to turn to one of the country's greatest renewable resources, solar energy. There are no power lines running through the village of Lan
By Prospero Laput Zamboanga del Norte, Philippines 16 July 2007 Electricity has yet to reach hundreds of villages in the Philippines. The Philippine government is tapping innovative technology to light up some villages, but in this report by producer
CHONGQING, July 22 (Xinhua) -- A total solar eclipse was viewed at 9:15 a.m. in many places along the upper stream of China's longest river of the Yangtze. The moon shadow fully blocked the sun, and gazers could clearly enjoy the aura of solar corona
Like Mercury, the earth takes a beating from the sun's violent temper. Flares, sun storms and other solar hissy fits can cause electronic mayhem for the satellites that roam above our heads. Fortunately, the earth is protected from this radiation by
Voice 1 Welcome to Spotlight. Im Rena Dam. Voice 2 And Im Ryan Geertsma. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Picture a dark black sky. Suddenl
The Source of Energy A summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun's very center. It is here that is to be found the source of the energy that the Sun constantly pours out into