News tagged with dioxide materials

Opening the Door for CO2

(PhysOrg.com) -- Until recently, factory smokestacks that produced nothing but carbon dioxide and water vapor were considered exemplary. Now CO2 has become notorious as a greenhouse gas, and the danger of climate change has ...

Aug 24, 2009 3.8 / 5 (9) 4

Chemists offer new hydrogen purification method

(PhysOrg.com) -- President Barack Obama's pursuit of energy independence promises to accelerate research and development for alternative energy sources -- solar, wind and geothermal power, biofuels, hydrogen ...

Feb 15, 2009 4.3 / 5 (9) 1

A crystal clear view of chalk formation

(PhysOrg.com) -- It has a beautiful, but also an unpleasant side: crystallization determines the shape of precious stones, but also causes the lime scale in washing machines. How this comes about, has been ...

Jan 12, 2009 3 / 5 (2) 0