Reaction: "Walt" utilizes a reaction of solid magnesium and 3M sulfuric acid.
Mg(s) + H2SO4(aq) MgSO4(aq) + H2(g)
Picture of "Walt" Prototype, reaction vessels in back, stopping mechanism in front
Reaction: "Jesse" is being designed to run by producing a temperature gradient across a system of thermoelectric generators
Jesse is still in the developmental stages but stay tuned for more information and design parameters as they are refined!