Assistir Filmes em Português. David Hahn in the mid-nineties was a teenage boy scout working towards his merit badges. One badge in particular, the Atomic Energy Merit Badge, caught his imagination when it required him to make a model of a nuclear reactor out of cotton buds etc. David went further and sought out household sources of the materials he would need to make his reactor. Here he talks us through what he did and the surprising results he got.