History. The industrialization at scale of steel. The state of things. Future heights. Arcologies.

Vertical cities

Hong Kong’s real estate problem. Urban verticality and resource efficiency. Living in coffin pods and sharing utilities.

IRL holodeck technology. Projecting images for multiple . Your own personal Dyson display cloud. Frickin lasers directly in your eyes. CastAR.

Sand as a rubbish base for huge buildings. Building deep foundations in the desert. Wooden skyscrapers!? Sand in concrete and sand shortages. Varieties of sand. Engineered sand.

Fire suppression! Overheated air and air pressure for aircraft.

Elevator cable lengths and limits. Maglev elevators. High-speed elevators.

PORK CHOP SANDWICHES