??? 04/01/09 08:03 Read: times |
#164129 - Speed of sound?! Responding to: ???'s previous message |
Ap Charles said:
A material could be wood pulp , a stone , a concrete mixture etc ? Of course it could - and they all have a measurable conductivity (the value may not be very repeatable between samples, though) It indirectly depends on the speed of sound Does it??! |