Carborendum Posted June 29, 2021 Report Share Posted June 29, 2021 (edited) Interesting video several years BEFORE COVID. Edited June 29, 2021 by Carborendum NeedleinA and Vort 1 1 Quote Link to comment Share on other sites More sharing options...
NeedleinA Posted June 29, 2021 Report Share Posted June 29, 2021 Always find his talks very interesting. mirkwood 1 Quote Link to comment Share on other sites More sharing options...
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