Watch This Wacky Wormbot Dance Its Way Across the Floor and Into Your Heart The Worm isn't just

While it looks like a worm and is doing "The Worm," real worms move by expanding and contracting their bodies, a type of movement that's a bit more complex to replicate mechanically. Ultimately, the simplicity and adaptability of this design may make it useful for crawling around inside you and capturing footage of your innards for medical purposes, if future prototypes can be miniaturized sufficiently.