|  | 
|  |  |  |  |  | 
|  | 
| | Geometrically nonlinear configurations of thin elastic rods (this and the next slide) | 
 |  | | Helical buckling of an axially compressed beam confined in an elliptical cylinder | 
 | | Geometrically nonlinear configurations of thin elastic rods (this and the previous slide) | 
 | | Dynamic buckling: Elastic strip is stretched, then released | 
 | 
|  | 
|  | 
|  |  |  |  |  | 
|  | 
| | Buckled patterns created from electrified jets of polyethylene oxide collected on glass slides | 
 | | November 10, 2014: Buckled jet stream brings warm air and cold air | 
 | | September 11, 2012: Jet stream buckles over Chicago, giving rise to a pocket of unusually cold, unstable air aloft. | 
 | | Marine microbe changing swimming direction via a high-speed buckling of flagellum base (green) | 
 | | Thermal railroad track buckling (from Wikipedia) | 
 | 
|  | 
|  | 
|  |  |  |  |  | 
|  | 
|  | | Buckled railroad track (from differential thermal expansion of the track versus the bed | 
 | | Buckling of a road due to earthquake displacements in California | 
 | | Tacoma Narrows bridge failure due to flutter | 
 | | Bistable voltage-actuated switch | 
 | 
|  |