Dr. Nathaniel Hermosa relates his work on “A Generalized Multidirectional Paraxial Optical Cloak” to Harry Potter’s invisibility cloak. (Photo by Misael Bacani, UP MPRO)

Dr. Nathaniel Hermosa relates his work on “A Generalized Multidirectional Paraxial Optical Cloak” to Harry Potter’s invisibility cloak. (Photo by Misael Bacani, UP MPRO)