News tagged with viscosity

The dance of hot nanoparticles

(PhysOrg.com) -- "Brownian motion is a very old concept," Klaus Kroy tells PhysOrg.com. "The laws explaining it were formulated more than a century ago by Albert Einstein. However, we are finding some intere ...

dateSep 08, 2010 in General Physics feature
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Why cement tends to thicken

Researchers at the ETH Zurich have unraveled the microscopic mechanism behind shear thickening: the increase in viscosity with speed observed for dense particle suspensions under flow. The study has a direct ...

dateOct 01, 2013 in Condensed Matter
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The perfect liquid -- now even more perfect

Ultra hot quark-gluon-plasma, generated by heavy-ion collisions in particle accelerators, is supposed to be the "most perfect fluid" in the world. Previous theories imposed a limit on how "liquid" fluids can ...

dateJan 17, 2012 in Plasma Physics
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