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Have you got evidence that sound propagates through a diamond at several times the speed of sound or is this once more a faith based position?
Yes, sound can travel through diamond at 7 miles per second
A diamond can relay sound at over 100 miles per second
Let's say we use a small diamond
And do you understand that even if it could travel at 100 miles per second, that's still about 1860 times slower than light?And, while we are at it, do you understand that the speed of sound isn't normally dependent on the size of the object?So this
And do you understand that even if it could travel at 100 miles per second, that's still about 1860 times slower than light?
The figure given on the web is c/√3
The figure given on the web approaches c/√3 for the interior of a neutron star. So if a meteor smacks into it on one side, it is felt disturbingly quickly on the other side.