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You think working with all these different stones they never discovered that squeezing some of them creates electricity?
The first reference to the pyroelectric effect is found in writings by Theophrastus (c. 314 BC), who noted that lyngourion, tourmaline, could attract sawdust or bits of straw when heated.
originally posted by: micpsi
Sorry, but your explanation does not fit the evidence. The implication of moulding would be that every H-block would look the same since they came from the same one (or few) moulds. Unfortunately for your theory, the several dozen examples that exist are ALL different - they were made individually. Your theory presumes ones of the myths of Puma Punku, namely, that the H-blocks were mass-produced somehow. On the contrary,they show small differences indicating that they were made individually and certainly NOT from one or two slightly different moulds. One would expect to find at least two that are identical. Instead, one encounters NONE that look the same. As for the one with a dodgy inside corner, well, that one made by an apprentice got past the quality inspector, didn't it? I mean, not even the Pumu Punku craftsmen were perfect!
originally posted by: More1ThanAny1
a reply to: Phage
Not all of the stones, just some of the ones in their generators of course. You know, the big granite ones that are 60% quartz.
AC. That's how piezo microphones work.
Put the crystal under pressure (look up the etymology of "piezo") and electrons come out. But they don't keep coming, and they go back in when you let off the pressure.