Okay Pretend I know nothing about science. (It shouldn't be hard, it's true!) what is a combustion engine, and what can you do with it?
(The Space Program is a great idea.. unfortunately someone else is already getting it for her. This is what I get for waiting for the last minute to do my Christmas shopping)
(The Space Program is a great idea.. unfortunately someone else is already getting it for her. This is what I get for waiting for the last minute to do my Christmas shopping)