We never got those jetpacks or flying cars, but we do have laptops, MRI machines and hi-def television systems in our homes. How did we get here? We’ll spend this hour with James Kakalios, the Taylor Distinguished Professor in the School of Physics and Astronomy at the University of Minnesota. His new book is “The Amazing Story of Quantum Mechanics: A Math-Free Exploration of the Science that Made Our World” (Gotham Books, 2010).