IN a series of experiments now in progress, we are directing a narrow beam of electrons normally against a target cut from a single crystal of nickel, and are measuring the intensity of scattering ...

Foods high in potassium offer many health benefits, including lowering blood pressure, lessening the risk of kidney stones, and regulating blood sugar levels. Potassium is a mineral your body needs to ...

A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP) that measures different substances in your ...

Department of Chemistry, The Chinese University of Hong Kong, New Territories, Hong Kong S. A. R., China ...