A previously unknown chain of events can lead to pneumomediastinum (pneumomediastinum is air in the mediastinum — the space in the middle of the chest, between the lungs), says this new study: “Pneumomediastinum after retching,” Behcet Al, Cuma Yildirim, Suat Zengin, Cavdar Murat, Sinan Genc, Maruf Sanli, BMJ Case Reports 2012;10.1136/bcr.03.2009.1647. The authors, at Gaziantep University […]
Tag: air
Earthquake-activated house-levitating pneumatic system
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 […]