Rare is the moment when Harry Potter fans, Star Trek aficionados, H. G. Wells enthusiasts, and theoretical physicists unite in a moment of ecstasy. But that instant came last May with a flurry of ...

There’s something that some of us want to believe — something weird and wondrous and, to be frank, scary. We envision a world in which the sort of invisibility cloaks, the kind that appear in Harry ...