99 Percent Invisible - Structural Integrity

Please listen to the podcast and answer the following questions: (submit answers to your ePortfolio)

1. What was a key design constraint of Citicorp Centre? (now Citigroup Centre)

2. What is a Tuned Mass Damper?

3. What are quartering winds?

4. What design change happened that threatened Citicorp Centre?

5. What solution was carried out to fix Citicorp Centre? Why was it ethically questionable?