If you're not into science, or the realms of science fiction, this may not be the diary for you. But seeing as we have a new Star Trek film in cinemas, and the Doctor Who universe is set to release Torchwood: Children Of Earth this summer, I thought this would be appropriate.
First: the invisibility cloak. I knew that scientists were working on this. The idea is pretty simple: if you can have your front display what your back can see (and vice-versa), you appear see-through.
Here's how it looks using a projector.
If you could do that with tiny cameras embedded in your clothing, you could end up with armor just like the Predator. Or you could just steer the light around you, using something called metamaterials, and look like a Romulan or Klingon ship. More about metamaterials later.
Well, here's where things get to be weird. Scientists in Hong Kong think they can manipulate this effect to make something look like anything else. Details below the fold...
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