It is generally agreed that planets form from the dust that exists in the protoplanetary disks that orbiting many stars and protostars, but there's not quite the same level of agreement about the ...

Diamond formation has typically been attributed to redox reactions during precipitation from fluids or magmas. Either the oxidation of methane or the reduction of carbon dioxide has been suggested, ...

Converting mechanical energy to fluid form provides the "muscle" in a fluid-power system. The power source is the key element in a fluid-power system. In a pneumatic system the power source is an air ...