fracsand
fracsand


Author Comment Last activity Moderation
liz "Amazing presentation @Mathew ! I learned so much. The graphics and maps are great too. " | Read more » over 9 years ago
amysoyka "Great talk. You've done a great job at making this video informative - so U awarded you a watchdog barn star Anyhow, cutting to the chase. The iss..." | Read more » over 9 years ago
mathew " Usually gravimetric tests are done on particles after they have been captured in the field. Given environmental vibrations, it sounds tough to pi..." | Read more » over 9 years ago
amysoyka "This is a gravimetric sensor: In theory, don't PM particles have different weight, depending on atomic content. If you were to use a mesh to re..." | Read more » over 9 years ago