Invisible doorways or portals a step closer to reality, claim scientists

Invisible gateways like the one to platform 9 and 3/4 in Harry Potter and to Lewis Carroll's hidden world in Through the Looking Glass are a step closer to reality after scientists developed a new theory.
Using a technique known as transformation optics, the researchers have revealed a way to alter the pathway of light waves that could eventually allow them to create portals that are invisible to the human eye.

Full story by Richard Alleyne on The Telegraph



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