Inventor of Solvatten, Petra Wadström wins Polhems Prize

The jury states: ”Petra Wadstrom’s innovation Solvatten is low tech but non the less ingenious. It addresses a growing global problem to millions of people living in poverty and without access to safe water and clean energy”. The Polhem Prize is a highly prestigious Swedish prize awarded by Swedish Association of Graduate Engineers (formerly Civilingenjörsförbundet […]