Home > Science > Wormholes Explained Wormholes Explained Science Star STEM Toys - Smart Toys for Smart Kids Share on Pinterest In Carl Sagan’s novel Contact, interstellar travel is presented in a way that is consistent with our current knowledge of physics. But are wormholes real? And if so, can they really be used to travel instantly across the universe? Share on Pinterest Related Posts The Atom (How Small Is It Series #2) What Is A Photon? Cosmic Journey Gravity Visualized How Many Universes Exist?