Why Don't We Invent That Tomorrow? 439
museumpeace writes "In the NYTimes book review blog, David Itzkoff takes a look at a new book devoted to predicting which 'science fiction' technologies may really fly some day. The author is Michio Kaku, one of the inventors of string theory, so he bears a hearing. His picks include light sabers, invisibility and force fields." Which sci-fi tech do you think needs to get invented over the weekend?