T = 0 msec
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_038_ig1.jpg)
T = 67 msec: shock tubes light up on each end
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_040_ig3.jpg)
T = 133 msec: and each link propagates toward the center
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_042_ig5.jpg)
T = 200 msec
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_044_ig7.jpg)
T = 567 msec: Note the rising water around the perimeter
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_053_ig17.jpg)
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T = 33 msec
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_039_ig2.jpg)
T = 100 msec: ignition propagating toward the center
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_041_ig4.jpg)
T = 167 msec: first signs of detonation
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_043_ig6.jpg)
T = 533 msec: increasing detonation
![](https://s3.amazonaws.com/s3.oldcooperriverbridge.org/small/feb_02_still_052_ig16.jpg)
T = 600 msec
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