Garfly Posted May 23, 2019 Share Posted May 23, 2019 To paraphrase one YT comment: this guy is to Reynold's Numbers what Steve Irwin was to crocodiles. LOL 2 Link to comment Share on other sites More sharing options...
Garfly Posted May 23, 2019 Author Share Posted May 23, 2019 And another one about vortex rings: 1 Link to comment Share on other sites More sharing options...
Garfly Posted May 24, 2019 Author Share Posted May 24, 2019 And, finally, rolling shutter effect (the old banana prop problem) demonstrated by some clever simulation: 4 Link to comment Share on other sites More sharing options...
spacesailor Posted May 24, 2019 Share Posted May 24, 2019 Fascinating. explains a lot. spacesailor Link to comment Share on other sites More sharing options...
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