but anyway here all the seismic stations
sending all these data
to golden colorado where are star centre
still ears the course they didn't have
any underground nuclear test but here
they are all these data coming in
and by this time they had computers big
enough to handle all those data
and what they saw was about from a
hundred miles below the surface
down to about 250 miles below the
surface there was a layer that was different the rocks above and
below the rocks above and below were brittle
they were brutal but they saw in this layer because the
shock waves move through them more slowly that this layer did not have
the rigidity on the rocks above and below that it was
plastic now I have to tell you what plastic
means because it doesn't mean with to weave take the were plastic them in
plastic cups and plastic this wood plastic means to a geologist as a
solid rock that axe is always a liquid look was flow this we can do that's what
has said I got here's the possibility Westport
convection cells I got here's the possibility Westport
convection cells