The engineers who designed and built the very tallest, most skyscraping skyscrapers said very little about whether – let alone how – someone could safely disassemble such a colossus, should the need arise. About the only person who thought about it long and hard was the writer and illustrator David Macauley. Decades ago, Macauley published […]
Tag: building
Resonance: Aerobic exercisers shake skyscraper
Resonance is a simple physics concept (which can be expressed in lovely mathematics). Two Korean news reports tell about a recent example: Aerobic exercise blamed for tremor at Techno-Mart A form of aerobic exercise performed by dozens of people caused the vertical vibration felt in certain floors at Techno-Mart, a 39-story shopping mall in Gwangjin-gu, […]