News tagged with repulsive forces

Cosmology in a Petri dish

Scientists have found that micron-size particles which are trapped at fluid interfaces exhibit a collective dynamic that is subject to seemingly unrelated governing laws. These laws show a smooth transitioning from long-ranged ...

dateJan 26, 2012 in General Physics
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Hunting for gaps

(PhysOrg.com) -- Researchers have developed a new model for the behavior of pedestrians and crowds. It can help to understand and prevent tragic crowd disasters, to develop better architectural designs and new navigation ...

dateApr 19, 2011 in Computer Sciences
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Tangling the microscopic ladder

If a ladder had more than one rung at each step, it would look awkward and would be a bit dangerous to climb. Ladders in the microscopic world were thought to be similar in structure, having only one particle, or rung, in ...

dateDec 17, 2010 in General Physics
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How not to blow up a molecule

High-charge-state ions in a molecule cause strong Coulomb forces, repulsive forces that try to blow its atoms apart. But the research team's crucial finding was that a way to produce only lower charge states in nitrogen molecules ...

dateJun 25, 2010 in General Physics
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