Metamaterials may offer windows into other worlds
Move over Harry Potter, and take your invisibility cloak with you. Alice’s looking glass may be the latest bit of literary magic worthy of physics laboratories.
Rather than using substances known as metamaterials to hide objects in plain sight, some scientists instead want to use the strange materials to build windows into worlds with fundamentally different physics. Peering in may reveal how other universes operate and how this universe — the one that avid J