If You Feed Me, I’ll Feed You
Ken Konschel, 49, of Empangeni in KwaZulu-Natal, has won the Inventor Award from the International Foundation for Science in Sweden for his self-sustaining farm on which fish, vegetables, chicken and worms feed off each other. A series of pipes connects a 40 000-litre fish tank to a hydroponic farm. Waste from fish is used as … Read more