(PhysOrg.com) -- Anyone who's ever polished silver knows that keeping the tarnish at bay is never ending work. But, you may not know that polishing also rubs away some of the precious metal, whether it's your grandmother's ...
Nanomaterials
Apr 12, 2011
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On Oct. 4, 2010, an accident occurred at the Ajkai Timfoldgyar alumina (aluminum oxide) plant in western Hungary, when a corner wall of a waste-retaining pond broke, releasing a torrent of toxic red sludge down a local stream.
Environment
Oct 13, 2010
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Researchers have overcome a fundamental obstacle in using new "metamaterials" for radical advances in optical technologies, including ultra-powerful microscopes and computers and a possible invisibility cloak.
General Physics
Aug 4, 2010
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Irregular pores, low flow rates: The plastic membrane filters used in sterile filtration do not always ensure that conditions are really sterile. Filter membranes of aluminum oxide are more reliable - the size of the nanopores ...
Nanomaterials
Jul 1, 2010
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(PhysOrg.com) -- With more study, alumina could ease kidney dialysis, while magnesium could lead the way to lighter, more fuel-efficient cars.
Materials Science
Jun 21, 2010
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(PhysOrg.com) -- Researcher Derek Stewart says the mineral kotoite could be an ideal insulator for memory storage devices called magnetic tunnel junctions.
Nanomaterials
Jan 21, 2010
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, and the achievement ...
Catalysts convert useless or unwanted chemicals into useful or more desirable ones. Research in this week's Science reveals new, important details about a common catalyst: how rafts of chemically reactive platinum form in ...
Materials Science
Sep 24, 2009
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Fast and affordable genome sequencing has moved a step closer with a new solid-state nanopore sensor being developed by researchers at the University of Illinois.
Nanomaterials
Jun 2, 2009
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When cells are under stress, they blow off steam by releasing minute amounts of nitrogen oxides and other toxic gases. In a recent paper,* researchers at the National Institute of Standards and Technology described a new ...
Nanomaterials
Jan 13, 2009
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