Now, if you take some organic material -- could be some waste products, some food, maybe a bit of your sandwich -- you put it in there, the microbes will eat that food, and they will turn it into electricity.
Se pegarmos em materiais orgânicas — desperdícios, alimentos, um pedaço duma sanduíche — pomo-los aqui, os micróbios vão comer essa comida e transformam-na em eletricidade.