Activate cloaking device, Mr Worf!

This seems all the rage at the moment – will we have chameleonware/chameleonware (from Neal Asher’s Polity books), changeling nets (Babylon 5) or invisibility cloaks (Harry Potter) at some point?

• Threading Light Through the Opaque
• Invisibility-Cloak Materials Bend Light “Backward”
• Visible Light Enters the Bizarro World