JT Allen Posted May 15, 2009 Report Share Posted May 15, 2009 Take a guess: Quote Link to comment Share on other sites More sharing options...
Guest Mr. Slicker Posted May 17, 2009 Report Share Posted May 17, 2009 300 micrometers is very small. Must be tubular graphite. Quote Link to comment Share on other sites More sharing options...
JT Allen Posted May 19, 2009 Author Report Share Posted May 19, 2009 Excellent guess and astute observation - I'll give you a hint - it's not man made and cannot be found around the tropics (to my knowledge). Quote Link to comment Share on other sites More sharing options...
JT Allen Posted May 27, 2009 Author Report Share Posted May 27, 2009 "Anybody? Anybody? Bueller? Anybody?" Quote Link to comment Share on other sites More sharing options...
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