For the description of ocean currents accurate measurements of the density of sea water are of great importance. For this purpose, measuring instruments are needed which reach a small uncertainty.

The water tube level is simple: connect two empty water bottles with a length of hose, fill them with water, and measure the height of the water inside the tube. Since the two water bottles are ...

The density of aluminium is 2.7 g/cm 3 – this means that 1 cm 3 of aluminium has a mass of 2.7 g.. All matter close matter Sub-atomic particles and anything made from them, such as atoms and ...

Researchers at Oregon State University have developed a new way to measure the water content of snow. OSU doctoral student Christina Aragon measures snow depth and snow density in Alaska.

For the description of ocean currents accurate measurements of the density of sea water are of great importance. For this purpose, measuring instruments are needed which reach a small uncertainty.