He called it . The name was perfect. It was phun.
That program was . Today, it lives on as Algodoo . phun algodoo
Let’s dig into the history, the magic, and why you should download it right now. The story begins at Umeå University in Sweden. A master’s student named Emil Ernerfeldt wanted to create a real-time 2D physics sandbox that felt like drawing on a whiteboard—only everything you drew obeyed gravity, friction, restitution, and density. He called it