Read "The Hitchhiker's Guide to the Galaxy" by Douglas Adams online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
The Infinite Improbability Drive is a wonderful new method of crossing vast interstellar distances in a mere nothingth of a second, without all that tedious mucking about in hyperspace.
It was discovered by a lucky chance, and then developed into a governable form of propulsion by the Galactic Government's research team on Damogran.