Re: Is East/West always at exact 'right-angles', to North/South?

2013-04-10 Thread Yan Seiner
On Wed, April 10, 2013 2:41 pm, Beverly Stimpson wrote: Dear List Members (and experts!), I am a new member to this Mailing List - a school-teacher who can see the several curriculum benefits, of using sundials in (mainly Primary) schools. One of my pupils recently asked me a question,

Re: Sundials in school playgrounds

2012-06-27 Thread Yan Seiner
david.paw...@fsmail.net wrote: What is all the fuss about Analemmatic sundials in school playgrounds all about ? I would love to get some real documentation on this. A copy of a letter, minutes of meetings, that sort of thing banning sundials in schools. Anyone? I know Martina is

Re: From Mexico with love... Should we use a different title in the subject line?????

2012-02-12 Thread Yan Seiner
R Wall ML emails wrote: Hi all, Would it be better if a different title in the subject line is used. I almost deleted the your email without reading it. Others may have deleted it without reading it. +1 Please use descriptive non-generic subject lines. I get 2000+ spam emails/day; most

Re: paper sundial

2011-12-16 Thread Yan Seiner
Thank you! It's a great toy. As others have said, the usability is a bit of a problem but that's fine; I doubt the casual user could really figure out what they need in a sundial. I would suggest a link to a lat-long map, or even a google maps interface that could let you generate a sundial

Re: A blunder on the astronomical clock in Prague

2011-02-27 Thread Yan Seiner
patrick_pow...@compuserve.com wrote: Surely there must be someone from Prague on this excellent sundial mail list who might be able to make representations to those responsible for the clock? It would be nice to see it working as it should do... Failing that can someone tell us to whom we

OK, not quite a sundial, but some fun

2011-01-29 Thread Yan Seiner
Here's a replica of the antikythera mechanism: http://www.youtube.com/watch?v=RLPVCJjTNgk --Yan -- o__ ,/'_ o__ (_)\(_) ,/'_ o__ A day may come (_)\(_) ,/'_ o__ when the courage of men fails, (_)\(_) ,/'_ when we forsake our friends and break

Re: life before clocks

2010-11-19 Thread Yan Seiner
On Fri, November 19, 2010 1:41 pm, Brent wrote: I wonder what life was like before mechanical clocks. I suppose your day was less structured than ours are today. Maybe to work at sunrise, go home at sunset. Eat when you are hungry, sleep when you are tired. I wonder how many people used

RE: Indoor sundials

2009-11-25 Thread Yan Seiner
On Wed, November 25, 2009 8:00 am, J. Tallman wrote: Such a shame that we cannot have sundials inside. What we need is for somebody to develop a motor-driven, geared apparatus that will move an electric through a path that picks up all the relevant celestial motions. We CAN have sundials

Re: Economy Hurts Sundial Sales

2009-07-21 Thread Yan Seiner
On Tue, July 21, 2009 9:16 am, jly...@iee.org wrote: There's a whole family of architectural problems that require a knowledge of dialling.  For example - * At what times will sunlight reflected from a tilted facade of reflective glass be reflected into the eyes  of motorists on a

Solar Eclipse

2009-02-27 Thread Yan Seiner
OK, I know this is not quite in the sundial domain but http://www.jaxa.jp/press/2009/02/20090218_kaguya_e.html Just incredibly awsome! :-) -- o__ ,/'_ o__ (_)\(_),/'_o__ Yan Seiner (_)\(_) ,/'_ o__ Personal Trainer

Re: Illegal SubdiAL

2008-10-18 Thread Yan Seiner
Bill O'Neill wrote: The control of an association is never plenary, meaning it is never over everything. The Federal Constitution provides government protection of the right of an individual to express oneself. Freedom of expression is a derivative of the freedom of speech and to

RE: Preventing Rod Gnomon Bending

2008-10-02 Thread Yan Seiner
with you. I think you can get extruded tubes that have internal reinforcing extruded as part of the tube. Most likely these would be aluminum and I don't know if that's appropriate for your design. -- o__ ,/'_ o__ (_)\(_),/'_o__ Yan Seiner

Re: Ideas Sought

2008-09-02 Thread Yan Seiner
/sundial !DSPAM:48bdc96c79201804284693! --- https://lists.uni-koeln.de/mailman/listinfo/sundial !DSPAM:48bdc96c79201804284693! -- o__ ,/'_ o__ (_)\(_),/'_o__ Yan Seiner (_)\(_) ,/'_ o__

Vertical declining sundial help

2008-07-26 Thread Yan Seiner
Yan Seiner (_)\(_) ,/'_ o__ Personal Trainer (_)\(_),/'_o__ Professional Engineer (_)\(_) ,/'_ Who says engineers have to be pencil necked geeks? (_)\(_) I worry about my child and the Internet all the time, even though she's too