1. Steel
... joined the quest for height. Long, stone arms, called flying buttresses, supported the cathedral's heavy weight, allowing the walls to be filled with colorful glass windows. George A. Fuller was the first person to invent the sky scrapper. Fuller worked on solving the problems of "load bearing capacities" of tall buildings. Fuller built the Tacoma building in 1889, the ... first structure ever built where the outside walls did not carry the weight of the building. In order for Fuller's idea to work he needed a material and enough of that material ... to make a steel cage that could sup...
- Word Count: 234
- Approx Pages: 1
- Grade Level: High School