Romanian superlatives: Nicolae Vasilescu-Karpen - inventor of the immortal battery
Danut-Ionel VAIREANU | Professor (Full) | PhD | Polytechnic University of Bucharest, Bucharest | UPB | Departament of Inorganic Chemistry, Physical Chemistry and Electrochemistry | Research profile
IMG00026-20101214-2148 | jacob.karpen | Flickr
La pila perenne di Karpen che funziona ininterrottamente da 60 anni