It's amazing what you can do with a few cameras, some wires and a decent amount of relatively low-tech know-how.

Like make a coffee shop full of people think that a girl who looks suspiciously like Carrie levitate a man in mid-air.

Yes, it's a simple trick in the best traditions of special effects tech. But it's one of our favourite tech pranks of the year - and the rest are gathered in the slideshow below.

Take a look, below.