Something that has nothing to do with the web but has the potential to be seriously cool to a massive degree.

Professor John Hendry at Imperial college has introduced the potential for a meta material that, he claims can bend light...so what you cry! well apart from the staggeringly massive implications that come from changing the basic laws of physics, the potential for such cloaking devices is the (for the geek's amongst us) the really cool bit. if you wrap an object in a material that bends light around it, then, it becomes to all intense a purposes, invisible, (star trek anyone), actually to be fair to the professor, he claims transparency rather than invisibility, but I'm wondering if J K Rowling will be claiming some IP payments ?