Uncorking champagne bottle produces supersonic shock waves

Opening a bottle of champagne traditionally marks the beginning of a festive celebration. Following the fun pop of the cork, a fizz of bubbles releases into the air, and finally, there is the pleasant tingle on the tongue.

More efficient separation of methane and CO2

To make natural gas and biogas suitable for use, the methane has to be separated from the CO2. This involves the use of membranes, filters that stop the methane and allow the CO2 to pass through. Researchers at KU Leuven ...

Nanomaterial to help reduce CO2 emissions

University of Adelaide researchers have developed a new nanomaterial that could help reduce carbon dioxide emissions from coal-fired power stations.

New uses for diesel by-products

(PhysOrg.com) -- A new catalytic process discovered by the Cardiff Catalysis Institute could unleash a range of useful new by-products from diesel fuel production.

'Electronic nose' determines food freshness

A new device analyzes gas mixtures using semiconductor sensors. Odor is determined by a combination of existing gases in the atmosphere. Researchers have found that the conductivity of a semiconductor probe changes during ...

Limestone powder enhances performance of 'green' concrete

Adding limestone powder to "green" concrete mixtures—those containing substantial amounts of fly ash, a byproduct of coal-burning power plants—can significantly improve performance, report researchers from the National ...

page 1 from 2