Charles L Adler

"From teleportation and space elevators to alien contact and interstellar travel, science fiction and fantasy writers have come up with some brilliant and innovative ideas. Yet how plausible are these ideas--for instance, could Mr. Weasley's flying car in Harry Potter really exist? Which concepts might actually happen--and which ones wouldn't work at all? Wizards, Aliens, and Starships delves into the most extraordinary details in science fiction...