Research Paper (undergraduate) from the year 2011 in the subject Biology - Micro- and Molecular Biology, grade: A, Indian Institute of Science, course: Research Project - Microbe Fuel Cells, language: English, abstract: Biogeochemical cycling through microbial succession in Winogradsky columns generates electricity. Here we use all electricals tools possible to harness this electricity and power Light Emitting Diodes for a year or more. The setup, biochemical mechanisms are analysed.