Environmentally friendly rockets

(PhysOrg.com) -- Many rockets, satellites, and spacecraft are driven by hydrazine, sometimes with an oxidizing agent like nitric acid or dinitrogen tetroxide. When filling tanks with these highly toxic substances, technicians ...

Cheaper second-generation biofuel for cars

Producing second-generation biofuel from dead plant tissue is environmetally friendly - but it is also expensive because the process as used today needs expensive enzymes, and large companies dominate this market. Now a Danish/Iraqi ...

Predicting world's smoggiest days with NASA technology

A research team led by NASA's Jet Propulsion Laboratory and the California Institute of Technology (Caltech), both in Pasadena, Calif., has fully characterized a key chemical reaction that affects the formation of pollutants ...

New reagents selected for nickel extraction

More nickel can be produced more efficiently from Australia's low-grade laterite ores if the metal is directly extracted after leaching with nitric acid, research suggests.

page 1 from 2