A step into Hydrogen and Oxygen Production and Liquification for the @ulsf open technology kernel for space flight.  Got physics or engineering or chemistry and interest in contributing to our volunteer effort to open the future?  Sign up at http://groups.google.com/group/ultra-light-space-flight .  We’re working on a reproducible set of technologies for doing robotic space flight. These posts demonstrate how much we need your help! 🙂