Whether it is Christmas shoppers mailing last minute gifts, or a steelyard dispatching ball bearings to factories, everyone wants to maximize the number of objects that fit into a container. Naturally the packing fraction ...
General Physics
Dec 20, 2010
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Researchers at the Hebrew University of Jerusalem who have been examining what happens in a "model earthquake" in their laboratory have discovered that basic assumptions about friction that have been accepted for hundreds ...
Earth Sciences
Nov 30, 2010
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Disney's new movie, "Tangled," features the familiar fairy tale character of Rapunzel. The new film promises many twists on the beloved tale, but her long locks will remain prominently featured.
Other
Nov 24, 2010
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the force that wastes almost 1.4 million barrels of oil per day in cars and trucks in the United States alone — could become less of a problem for fuel-conscious consumers thanks to promising new oils and other materials ...
Other
Oct 13, 2010
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(PhysOrg.com) -- New research on frictional slipping has revealed that some of the basic assumptions of introductory physics do not hold at small scales. The findings may be useful in the study of earthquakes.
Researchers at Universidad Carlos III de Madrid are coordinating an international project to develop a new concept of mechanical transmission without contact between parts, based on magnetic forces, which prevents friction ...
Engineering
Sep 20, 2010
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(PhysOrg.com) -- The many ways in which water differs from other molecules is both a scientific curiosity and an important factor in shaping the Earth. Among water's unique properties are that it expands when it freezes, ...
A new experiment proposed* by physicists at the National Institute of Standards and Technology may allow researchers to test the effects of gravity with unprecedented precision at very short distances -- a scale at which ...
General Physics
Sep 1, 2010
104
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(PhysOrg.com) -- A world first model for predicting fluid flows close to surfaces will enable engineers to reduce drag in vehicles, and in turn, lead to more efficient and greener planes, cars and boats, according to a University ...
General Physics
Jul 9, 2010
5
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(PhysOrg.com) -- Engineers are studying the reaction wheels on NASA's Dawn spacecraft after automatic sensors detected excess friction building up in one of them and powered it off early on the morning of June 17, 2010. Reaction ...
Space Exploration
Jun 30, 2010
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