I suppose 3d-whiteboard could be useful in allowing to connect more relevant subjects to each node (re: problem of four colours: countries on plane can be coloured in 4 different ways so that touching ones have different colour, and in space there’s no such limit).
I suppose 3d-whiteboard could be useful in allowing to connect more relevant subjects to each node (re: problem of four colours: countries on plane can be coloured in 4 different ways so that touching ones have different colour, and in space there’s no such limit).