Xref: utzoo comp.ai:7905 comp.ai.philosophy:231 Path: utzoo!attcan!uunet!mcsun!inria!bull.bull.fr!clbull.cl.bull.fr!sen@cl.bull.fr From: sen@cl.bull.fr (sen) Newsgroups: comp.ai,comp.ai.philosophy Subject: Re: Bird flight as an emergent property Message-ID: <254@clbull.cl.bull.fr> Date: 26 Oct 90 16:34:47 GMT References: <1990Oct23.170118.27104@ecn.purdue.edu> Sender: news@clbull.cl.bull.fr Followup-To: comp.ai Organization: BULL Les Clayes, FRANCE Lines: 35 In article <1990Oct23.170118.27104@ecn.purdue.edu> muttiah@stable.ecn.purdue.edu (Ranjan S Muttiah) writes: > > Here are some observations that were triggered on reading a >simulation about bird flight on one of the BBoards (Alife ?). > >---- > It seems that some flock of birds fly in random formation and >then suddenly converge together, and then continue almost in random flight >and then again converge etc. I was puzzled about whether there were >"leaders" in the flock that the other followed or whether the birds were >just forced into the streamlines of the air ? If the birds were indeed >following a few leaders it seemed to me that they would also have similar >wing beating patterns. It is really an interesting question of whether >birds (in flight) show intelligent behaviour or are just purely constrained >by the physical laws of flight (wind streams etc). > >Any comments ? a interesting analogy. a school of fish swimming in a pond suddenly as if triggered by a controlling stimuli change direction. anybody watching a fish pond could find it. if there is a leader (the first fish) then their reaction time is near-zero. also how do they "watch" the leader - eyesight (?) or some other physical phenomenon unobserved. looking at the speed of reaction one would choose the latter (!!!). personally i am confused a bit on this. i am sorry for the digression but lookink at your theme i felt to give - siddhartha this example. -- ***e-mail: sen@cl.bull.fr----------------##-----SIDDHARTHA---SEN*************** voice-mail: (33) (1) 34.60.47.52 (res) ## snail-mail: F 7 1 D 5, BULL S.A. v-mail: (33)(1)34.60.47.52 ext 3911(off) ## 78340 Les Clayes sous Bois, FRANCE ****** LA VIE EST UNE TRANSITION ENTRE UNE INCERTITUDE ET UNE AUTRE !! *******