News tagged with dioxide materials

Thawing tundra a new climate threat

(PhysOrg.com) -- A significant source of greenhouse gases has started leaking into the Earth's atmosphere from an unlikely place. Above the Arctic Circle, land frozen for tens of thousands of years has begun ...

dateJan 20, 2012 in Environment
shares0 comments 11

Diamonds and dust for better cement

(PhysOrg.com) -- It's no surprise that humans the world over use more water, by volume, than any other material. But in second place, at over 17 billion tons consumed each year, comes concrete made with Portland ...

dateDec 12, 2011 in Materials Science
shares0 comments 1

Imperfections may improve graphene sensors

Although they found that graphene makes very good chemical sensors, researchers at the University of Illinois at Urbana-Champaign have discovered an unexpected "twist"—that the sensors are better when the graphene is ...

dateNov 29, 2011 in Nanomaterials
shares0 comments 0

World record in 3d-imaging of porous rocks

A team of physicists headed by Prof. Rudolf Hilfer at the Institute for Computational Physics (ICP) of the University of Stuttgart has established a world record in the field of three-dimensional imaging of porous materials. ...

dateOct 24, 2011 in General Physics
shares0 comments 3

Airlines positioned for big gains in efficiency

Planes are being built out of the same lightweight materials used for Formula 1 race cars. Their engines are being redesigned to squeeze more thrust out of every gallon of fuel. And governments are developing ...

dateJul 04, 2011 in Engineering
shares0 comments 4