News tagged with repulsion

Binding together repelling atoms

Basic chemistry tells us that a bond between atoms can form if it is energetically more favorable for the atoms to stick together than staying apart. This fundamentally requires an attractive force between ...

Jul 31, 2013
4.8 / 5 (6) 0

Impact sensor provides athletic support

As athletes strive for perfection, sports scientists need to exploit every technological advance to help them achieve that goal. Researchers in New Zealand have now developed a new type of wearable impact sensor based that ...

May 14, 2010
4 / 5 (1) 0 | with audio podcast

Metamaterials could reduce friction in nanomachines

(PhysOrg.com) -- Nanoscale machines expected to have wide application in industry, energy, medicine and other fields may someday operate far more efficiently thanks to important theoretical discoveries concerning the manipulation ...

Dec 07, 2009
3.9 / 5 (7) 2

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 ...

Dec 21, 2011
5 / 5 (1) 0

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 ...

Jun 25, 2010
5 / 5 (5) 1

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, ...

Dec 17, 2010
3 / 5 (1) 0
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