"Imagine an invisibility cloak that works just like the one Harry Potter inherited from his father.
Researchers in England and the United States think they know how to do that. They are laying out the blueprint and calling for help in developing the exotic materials needed to build a cloak.
The keys are special manmade materials, unlike any in nature — or the Hogwarts School of Witchcraft and Wizardry. These materials are intended to steer light and other forms of electromagnetic radiation around an object, rendering it as invisible as something tucked into a hole in space.
"Is it science fiction? Well, it's theory and that already is not science fiction. It's theoretically possible to do all these Harry Potter things, but what's standing in the way is our engineering capabilities," said John Pendry, a physicist at the Imperial College London.
Details of the study, which Pendry co-wrote, appear in Thursday's online edition of the journal Science."