Metal Sludge — Ever take the kids to the Zoo, and stare at the monkeys and the gorillas behind the glass? Well, if you pay for a meet n’ greet with the rock band KISS, it might bring back some memories of your trip to a Zoo. Or perhaps, the local pet store, where they keep lizards, mice, hamsters and other animals in a glass like tank or aquarium. The difference is, there are not[…]