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News From the Field
Physicists Find That Size Matters When Initiating an Object's Movement Through Grains

September 16, 2008

glass beads Physicists have discovered that the size of grains, such as sand, above a buried object is important in determining the force required to begin raising the object. No one, until now, has discovered how much force is required to initiate an object's movement through grains. The discovery may be useful for engineering foundations for objects such as power-line towers, or for designing industrial mixer blades, such as those used in pharmaceutical processing. Full Story

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Penn State

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) 2016, its budget is $7.5 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 48,000 competitive proposals for funding and makes about 12,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.

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