Researchers in the U.S. have, for the first time, cloaked a three-dimensional object standing in free space - bringing the idea of an 'invisibility cloak' a step closer.

The researchers used a hi-tech technique to 'hide' an 18-centimetre cylinder - and made it totally invisible.

But before we brace ourselves for Harry Potter-style invisibility to become a part of everyday life, it's not quite there yet.

So far, the researchers can use a hi-tech coating to make an object disappear - but can only hide it from microwave scanners.

It's still visible to the naked eye.

That's a good start. To read more, click here.