News tagged with silicon dioxide

Controlling friction by tuning van der Waals forces

For a car to accelerate there has to be friction between the tire and the surface of the road. The amount of friction generated depends on numerous factors, including the minute intermolecular forces acting between the two ...

Jul 19, 2013
4 / 5 (3) 0

Antioxidant with a long shelf life

(Phys.org) —Scientists from ETH Zurich have developed a nanomaterial that protects other molecules from oxidation. Unlike many such active substances in the past, the ETH-Zurich researchers' antioxidant ...

Jun 17, 2013
4.5 / 5 (2) 0

Catalyst keeps fruit fresh longer

(Phys.org) —Ripening fruit, vegetables, and flowers release ethylene, which works as a plant hormone. Ethylene accelerates ripening, so other unripened fruit also begins to ripen—fruit and vegetables ...

May 13, 2013
4.9 / 5 (8) 1 | with audio podcast

Researchers produce ultra-light aerogel

A research team headed by Professor Gao Chao have developed ultra-light aerogel – it breaks the record of the world's lightest material with surprising flexibility and oil-absorption. This progress is published ...

Mar 25, 2013
4.9 / 5 (12) 4