Imagine an invisibility cloak that works just like the one Harry Potter inherited from his father. Researchers in the United Kingdom and the United States think they know how to do that. They are ...

For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...

Though desktop 3D printers are a relatively new method of manufacturing, you might argue that they're already at a plateau. You can print cute figurines, teacups that might have a leak, and sometimes ...