There are many topics to discuss about MegaScale Engineering, here are some topics * Alderson Disk * Artificial World * Astroengineering * Bernal sphere * Centerpoint Station * Dyson Sphere * Ecumenopolis * Global Highway * Globus Cassus * Jupiter Brain/Matrioshka Brain * Megacity * Megastructure * Microwave Power * O'Neill cylinder * Orbital Platform * Ringworld * Shadow Planet Killer * Skyhook * Space elevator * Space Fountain * Stanford Torus * Star Lifting * Stellar Engine * Sunshade * Tipler Cylinder * Transatlantic Tunnel * Well World