News tagged with repulsion

How to build doughnuts with Lego blocks

Scientists have uncovered how nature minimises energy costs in rings of liquids with an internal nanostructure made of two chemically discordant polymers joined with strong bonds, or di-blocks, deposited on a silicon surface, ...

dateDec 21, 2011 in Nanophysics
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It's the fineness of the grind

The properties of nanomaterials could be easier to predict in future. Scientists from the Max Planck Institute for Intelligent Systems in Stuttgart have ground metal into continuously finer powders in steps and prepared a ...

dateJul 23, 2013 in Nanomaterials
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Raising the prospects for quantum levitation

More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that two mirrors placed facing each other in a vacuum would attract. The mysterious force arises from the energy of virtual particles ...

dateApr 18, 2012 in General Physics
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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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Long distance calls by sugar molecules

All our cells wear a coat of sugar molecules, so-called glycans. ETH Zurich and Empa researchers have now discovered that glycans rearrange water molecules over long distances. This may have an effect on how cells sense each ...

dateJun 18, 2013 in Biochemistry
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