When conducting investigations on how sound is made and how sound ... Pupils could be encouraged to use recycled materials to design and create their own instruments which are able to change ...

Car tires, replacement hip joints, bowling balls—these and other items are made from a class of plastics called thermosets, ...

SANTIAGO (Reuters) - Chilean state-owned miner Codelco said on Thursday it would use grinding balls made from recycled material in its flagship El Teniente mine, allowing it to reduce carbon ...