Self-healing concrete for safer, more durable infrastructure (w/Video)
(PhysOrg.com) -- A concrete material developed at the University of Michigan can heal itself when it cracks. No human intervention is necessary--just water and carbon dioxide.
Company pioneering new types of material for 3-D printer 'ink'
Cement's basic molecular structure finally decoded
(PhysOrg.com) -- In the 2,000 or so years since the Roman Empire employed a naturally occurring form of cement to build a vast system of concrete aqueducts and other large edifices, researchers have analyzed the molecular ...
Engineers develop cement with 97 percent smaller CO2 and energy footprint
Drexel engineers have found a way to improve upon ordinary Portland cement (OPC), the glue that's bonded much of the world's construction since the late 1800s. In research recently published in Cement and Concrete Composites ...
Green Ideas: Making Concrete from Rice
Recipe for success: Recycled glass and cement
(PhysOrg.com) -- Michigan State University researchers have found that by mixing ground waste glass into the cement that is used to make concrete, the concrete is stronger, more durable and more resistant ...
Open Lid Reveals Mercury
(PhysOrg.com) -- Mercury, the silvery liquid formerly used in thermometers, is now known to be highly toxic. The worst of the toxins are organic mercury compounds, such as methylmercury. Most previous analytical procedures ...
Chemically scrubbing CO2 from the air too expensive
(PhysOrg.com) -- While it is possible to chemically scrub carbon dioxide from Earth's atmosphere in order to lessen the severity of global warming, the process is prohibitively expensive for now. Best to focus ...
Cement-like creation could help the environment
(PhysOrg.com) -- Civil and Environmental Engineering Assistant Professor Naji Khoury has created a permeable cement-like material that offers a host of environmental advantages over traditional paving.
Groundbreaking mercury treaty adopted by 140 countries (Update)
More than 140 countries agreed Saturday on a ground-breaking treaty to rein in the use and emission of health-hazardous mercury, the UN said, but environmental activists lamented it did not go far enough.
BP, Halliburton 'knew' oil disaster cement was unstable
BP and Halliburton knew weeks before an explosion tore through a BP rig in the Gulf of Mexico that the cement mix they planned to pump into an undersea BP well was faulty, a probe found.
Engineers developing bullet proof vests from cement
Engineers at the University of Leeds are working on a new type of body armour made from cement.
Company illegally tested bone cement on people, indictment says
A Swiss company with major operations in West Chester, Pa., illegally tested its bone cement on about 200 people, three of whom died, according to a 52-count indictment issued Tuesday by the U.S. Attorney in Philadelphia.
Fossil-fuel emissions unbraked by financial crisis
Emissions of carbon dioxide (CO2) from fossil fuels and the cement industry scaled a record high in 2010, rocketing by 5.9 percent over 2009 in a surge led by developing countries, scientists reported on Sunday.