"Star Trek" is one of the most iconic science fiction brands ever. And many of those people influenced by the show have been working to create the gadgets presented across its many iterations. Scientists recently demonstrated quantum teleportation, sending a quantum state of light over 18 miles across the internet. There are many iconic gadgets from the world of "Star Trek" that no longer feel out of reach. The following are just a few of the most iconic handheld gadgets featured in the world of "Star Trek," ranked in their importance to the series and how close we might be to getting them in real life.