European Association of Cardiothoracic Surgery: The European Association of Cardiothoracic Surgery (EACTS) is a learned society devoted to the practice of cardiothoracic surgery. The main objects of the association are to advance education in the field of cardiovascular and thoracic surgery and to promote research in thoracic physiology, pathology, and therapy as well as to correlate and disseminate results.Batteryless radio: A batteryless radio is a radio receiver which does not require the use of a battery to provide it with electrical power.Electrocoagulation: Electrocoagulation (EC), aka radio frequency diathermy or short wave electrolysis, is a technique used for wash water treatment, wastewater treatment, industrial processed water, and medical treatment. Electrocoagulation has become a rapidly growing area of wastewater treatment due to its ability to remove contaminants that are generally more difficult to remove by filtration or chemical treatment systems, such as emulsified oil, total petroleum hydrocarbons, refractory organics, suspended solids, and heavy metals.