Handling dangerous substances has come to define a society. People drive around with the explosive equivalent of twenty sticks of dynamite in their gasoline tanks without batting an eye. They use open flames to cook their food and heat their homes. Propane barbecue tanks are sold everywhere in the country, and left outside their homes for several seasons. This article presents an activity that challenges students to think about how this versatile and potentially dangerous substance could be of great value in preserving their high standards of living. The challenge is to develop ideas and possible systems for using hydrogen on-site in homes.