It's no science fiction anymore: clumping photons into molecules, scientists have discovered a completely new form of matter that works just like the lightsabers in Star Wars. "The physics of what's happening is similar to what we see in the movies," said one of the researchers.

Don't expect actual lightsabers in your nearer Wal-Mart anytime soon, though. We're still far from that point. But at least we have a start.

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