Historically, there have been two types of rocket systems: liquid and solid ... They are inherently safe, use nontoxic, inexpensive fuels, and can be turned on and off. But scientists have been unable ...

cleaners- all things that can be used as rocket fuel. He also talks about all of the solid reasons you don’t want to do this at home. If this type of things gets your molecules excited ...

Chinese astronauts have just created rocket fuel and oxygen in space using a new type of "artificial photosynthesis." The breakthrough technology, which used fairly basic equipment and minimal ...

"It is actively being studied together with new types of nontoxic propellants made from alcohol that offer promise as alternatives to the conventional petroleum-based rocket fuels," Rusek says.

While many scientists are looking into theoretical space engines, others are focusing on the tried and true—such as plain old-fashioned engines that burn rocket fuel. In this new study ...