The Air Danshin Systems company of Japan says it offers pneumatic technology to protect buildings in the event of an earthquake. The shaking triggers a stream of air that levitates the house. The diagram below, from the company, shows to some extent how the system works, with blue representing the stream of air. (The Spoon & Tamago blog […]
Tag: shaking
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, […]