Oscillations and Waves > Oscillations > Driven Oscillators
DCS# 3A60.10
"TACOMA NARROWS BRIDGE COLLAPSE"
APPARATUS
Miller Collection laser disk
202-09-F
laser disk player
202-09-B-4
video projector
201
DESCRIPTION
Shows torsional vibrations and eventual collapse of suspension bridge.
NOTES
Text with the Miller laser disk explains that this is not an example of resonance, but of positive feedback.
REFERENCES
a version of the video can be found online:
http://www.archive.org/details/SF121