Dr Michio Kaku presents blueprints for creating a real-life invisibility cloak, just like the one in Harry Potter; he believes that atoms and light reflections might be tricked into making the wearer invisible to the human eye.

Dr Michio Kaku draws up blueprints for a working time machine that will let us visit the past and travel back to the future.

Dr Michio Kaku is on a quest to build a spacecraft that can travel across the universe; he wants to prove to the world that it is not just a sci-fi dream, but can also be a reality.