[FRIAM] Household vortices, redux

2011-07-02 Thread Nicholas Thompson
Steve S., You and I are the only two participants in that discussion to have presented any empirical evidence. In the spirit of experimental collegiality, would you try my experiment, and report back to me. Fill a basin with water Set it to spinning in a concerted way. Be careful not to

Re: [FRIAM] Household vortices, redux

2011-07-02 Thread lrudolph
Nick and all, If the following comment has already been made (and disposed of), please accept my apologies (the house was full of visitors for a while and I stopped keeping up with my mail). One thing that leaps to my eye in the description of the empirical experiment made by Nick, and

Re: [FRIAM] Household vortices, redux

2011-07-02 Thread Nicholas Thompson
: Saturday, July 02, 2011 12:16 PM To: The Friday Morning Applied Complexity Coffee Group Cc: Steve Smith Subject: Re: [FRIAM] Household vortices, redux Nick and all, If the following comment has already been made (and disposed of), please accept my apologies (the house was full of visitors

Re: [FRIAM] Household vortices, redux

2011-07-02 Thread lrudolph
Are you asking why does a vortex form at all? No. Are you assuming that the drain is rifled in some sense and that a vortex wouldn't form without the rifling. No, that hadn't occurred to me, and I don't think (having done my share of household-level plumbing) that drains are rifled in