article_snippet.sent: (CNN)It sounds like the plot for a science fiction movie.
article_snippet.sent: But what about the science?
article_snippet.sent: Is such an idea even plausible?
article_snippet.sent: An impossibility, according to Batjer.
article_snippet.sent: Ruff, calls it farfetched and farcical, not to mention unlikely to work.
article_snippet.sent: Ruff says this is more like centuries away, not years.
article_snippet.sent: It would be impossible to predict that far into the future," Ruff says.