'Star Wars': Putting the Science in Sci-Fi

As Obi Wan Kenobi and Darth Vader pulled out their light sabers for a deadly battle 30 years ago today, "Stars Wars" movie-goers asked themselves one thing: Where can I get one of those? The iconic movie series prompted young children to tote R2D2 lunch boxes and teenage boys to fall in love with side hair buns and gold bikinis. But in 1977, the groundbreaking fan favorite did more than just secure its place in Americana -- it also captured the hearts and minds of scientists of the '70s and a few younger, budding lab rats waiting in the wings. "I think the influence is huge," Michio Kaku, one of the world's most prominent physicists and the co-founder of string field theory, told ABCNEWS.com. "Many people don't realize that science fiction has been an inspiration for the world's leading scientists."