I think there is a quote from Heinlein along the lines of “Never worry about theory as long as the machinery does what it's supposed to do.” When do we have to worry about first principles?
From: Friam <[email protected]> on behalf of Frank Wimberly <[email protected]> Reply-To: The Friday Morning Applied Complexity Coffee Group <[email protected]> Date: Wednesday, May 13, 2020 at 8:31 PM To: The Friday Morning Applied Complexity Coffee Group <[email protected]> Subject: Re: [FRIAM] PSC Tornado Visualization (2008) [720p] - YouTube The fluid dynamics model used for that visualization is based on first principles. Many years ago Nick was trying to figure out how tornadoes develop. I told him I thought this was pretty well understood and I asked Droegemeier for a paper. He sent one which I forwarded to Nick. It was full of advanced math. Frank --- Frank C. Wimberly 140 Calle Ojo Feliz, Santa Fe, NM 87505 505 670-9918 Santa Fe, NM On Wed, May 13, 2020, 9:23 PM Marcus Daniels <[email protected]<mailto:[email protected]>> wrote: Nick writes: “The result looks so much like iconic tornado vids that we wannabee tornado chasers idolize that one suspects that the video was back constructed from that film, rather than developing organically from the physics.” Suppose the equations were extracted, or the behavior re-generated, from a deep neural net (or whatever automated machine learning thing), but nonetheless were predictive of other tornados. One might reasonably ask, “Who cares?” Marcus .-. .- -. -.. --- -- -..-. -.. --- - ... -..-. .- -. -.. -..-. -.. .- ... .... . ... FRIAM Applied Complexity Group listserv Zoom Fridays 9:30a-12p Mtn GMT-6 bit.ly/virtualfriam<http://bit.ly/virtualfriam> unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com archives: http://friam.471366.n2.nabble.com/ FRIAM-COMIC http://friam-comic.blogspot.com/
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