News From the Field
Force Is the Key to Granular State-shifting
February 15, 2013
Ever wonder why sand can both run through an hourglass like a liquid and be solid enough to support buildings? It's because granular materials--like sand or dirt--can change their behavior, or state. Researchers from North Carolina State University have found that the forces individual grains exert on one another is what most affects this transition.
North Carolina State University
The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2015, its budget is $7.3 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 48,000 competitive proposals for funding, and makes about 11,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.
Get News Updates by Email
Useful NSF Web Sites:
NSF Home Page: http://www.nsf.gov
NSF News: http://www.nsf.gov/news/
For the News Media: http://www.nsf.gov/news/newsroom.jsp
Science and Engineering Statistics: http://www.nsf.gov/statistics/
Awards Searches: http://www.nsf.gov/awardsearch/