The sun heats up water on land, in rivers, lakes and seas and turns it into water vapour. The water vapour rises into the air. Rain water runs over the land and collects in lakes or rivers ...

WE have found that in a hot-wire Clusius column operating with water-vapour, molecules containing oxygen-18 concentrate at the top of the column. This is an unexpected result, since it implies ...

Publications of the Astronomical Society of the Pacific, Vol. 116, No. 823 (September 2004), pp. 876-885 (10 pages) ABSTRACT Water vapor, while usually a small contributor to the atmospheric ...

If the cup of cold water is not exposed to air, no condensation will form. The fast-moving molecules of water vapor transfer their energy to the side of the cup which is cooler. This causes the water ...