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stress and fluids and sliding surface
#1
Hi Gang,

Lovely daughter posted the following:

http://buam.tumblr.com/post/128205999469...to-nobodys

Note that, as a nerd, I have only one side of my shirt tucked in on the video.

This is the same science as what causes earthquakes on faults. Fluid pressure should make the fault (or the table) weaker. What we saw was the opposite. This was at East Ferry deli, overlooking the bay. The video is when we went there for lunch. But, a group is there every week day for breakfast. I, and Lovely Daughter, go there for breakfast once a week. A chemist suggested it was Van der Walls force:

https://en.wikipedia.org/wiki/Van_der_Waals_force

I told him I got a "D" in chemistry and did not know what it is.

But, it may be the best explanation for what we observed. I think it is important that the table is a mesh or screen of metal.

The chemist's son will be working for US Geological Survey on tsunamis starting March 2016. The son may have to deal with me.

Chris




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stress and fluids and sliding surface - by Island Chris - 09-08-2015, 09:12 PM

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