China Makes Artificial Rain
By Associated Press
May 5, 2006, 6:29 PM EDT
BEIJING -- Chinese weather specialists used chemicals to engineer Beijing's heaviest rainfall of the year, helping to relieve drought and rinse dust from China's capital, the official Xinhua News Agency reported Friday.
Technicians with the Beijing Weather Modification Office fired seven rocket shells containing 163 cigarette-size sticks of silver iodide over the city's skies on Thursday, Xinhua said.
The reaction that occurred brought as much as four-tenths of an inch of rain, the heaviest rainfall this year, helping to "alleviate drought, add soil moisture and remove dust from the air for better air quality," Xinhua said.
Though unusual in many parts of the world, China has been tinkering with artificial rainmaking for decades, using it frequently in the drought-plagued north. Last month, another artificial rainfall was generated to clear Beijing after the city suffered some of the fiercest dust storms this decade.
Whether cloud-seeding actually works has been the subject of debate in the scientific community. In 2003, the U.S. National Academy of Sciences questioned the science behind it as "too weak."
Copyright 2006 Newsday Inc.
Administration Conducting Research Into Laser Weapon
By WILLIAM J. BROAD
The overall goal of the research, the documents said, is to assess unique technologies for "high-energy laser weapons," in what engineers call a proof of concept. Previously, the laser work resided in a budget category that paid for a wide variety of space efforts, the documents said. But for the new fiscal year, it has moved under the heading "Advanced Weapons Technology."