Create a painting of a futuristic world where advanced technology enables humans to explore multiple dimensions and interact with otherworldly beings.

Create a detailed digital art piece that depicts a futuristic world brimming with advanced technology. The scene should feature various tech gadgets, portals that lead to different dimensions, and advanced space-faring vehicles. These technological wonders are used by humans to explore these numerous dimensions and communicate with otherworldly beings. The beings should be alien-like with unique features distinct from humans and look friendly. The humans interacting with them are of different descents like White, Hispanic, Black, and Middle-Eastern. The colors should be voluminous with a blend of hues seen in twilight skies, auroras and nebulae.