Everyone has been caught up in the Star Wars hype surrounding the release of Star Wars: The Force Awakens. Of course, any good discussion of “The Force” in an office full of engineers leads to how a light saber would work in real life or how many times we dreamed about building R2D2 in our childhood garages.

Many people would assume that none of the wild gadgets dreamed up by George Lucas and the gang would exist in real life, but we’ve taken a closer look. There are at least seven examples of existing technology that can be found throughout the series.