What was wizardry in the world of Harry Potter has become reality in the hands of Duke University senior Trey Bagley. Meet the real-life Weasley Clock inventor, when he talks to NPR's Rachel Martin.

BEYOND HARRY: After much speculation, J.K. Rowling has owned up to authoring the detective novel “The Cuckoo’s Calling.” Jon Furniss/WireImage Best-selling Harry Potter author J.K. Rowling ...