Re: A sundial in a commercial ad?

%2Fp%2FAF1QipMEeXDKl0TC0PmnagVa3k3SxAid9p0EoLmHk-n7%3Dw213-h160-k-no!5sreloj%20del%20sol%20valparaiso%20-%20Google%20Search&imagekey=!1e2!2s5_XEU85WwUObl7ZW4Bw8mw&sa=X&ved=0ahUKEwi__b_JkJ_cAhXJ6oMKHVCEBTYQoioIdTAK&activetab=panorama Brent On 7/13/2018 8:57 AM, J. Tallman wrote: Hello All, Latel

Re: due east photos

n a sphere, if you allow loxodrome paths that travel more than once around the globe! This gives an infinite number of compass directions to Mecca. -Bill On Thu, Sep 24, 2015 at 4:11 PM, Brent <mailto:bren...@verizon.net>> wrote: I think you can face Mecca from 4 directions:

Re: due east photos

? brent On 9/24/2015 12:20 PM, Brent wrote: Apparently Muslims have a similar problem when determining which way to pray towards Mecca (Qibla). This non-scientific website gives a choice of 2 different directions: https://threesixty360.wordpress.com/2008/09/01/which-direction-is-mecca/ There

Re: due east photos

the bottom of that website. brent On 9/17/2015 2:05 AM, Richard Mallett wrote: On 17/09/2015 09:31, Fabio nonvedolora wrote: well said Jack, flat Earth and similar are unlikely :-) globe Fabio Fabio Savian fabio.sav...@nonvedolora.it www.nonvedolora.eu Paderno Dugnano, Milano, Ita 45° 34

latitude circumference

; = .09375 Multiply that times 21,639 = 2,029 miles Subtract that from 21,639 = 19,610 miles the actual circumference at lat 15 is 20,906 miles I wonder if I could get better measurements if this would work? brent --- https://lists.uni-koeln.de/mailma

Re: due east

o the left of where the sun will rise on the equinox it would mean two things: 1. the sun doesn't rise due east on the equinox 2. the east west line is not straight but curved Thank you all for your replies. brent On 9/15/2015 4:00 PM, Michael Ossipoff wrote: Hi Brent-- The paradox involve

Re: due east

due east, a compass due east, a magnetic due east. The other due east is kind of a solar due east, the relationship/position between the earth and the sun. Which has lots to do with our sundials. So maybe we should forget about magnetic due east when discussing sundials. ha! brent :) On 9/15

Re: due east

Roger; You seem to be saying there are /two/ due easts. How can that be right? Shouldn't there only be one due east? brent On 9/15/2015 9:42 AM, Roger W. Sinnott wrote: Brent, The “small circle” route is the one that takes you on a curved path, always toward due east. You could

Re: due east

? thanks; brent On 9/15/2015 9:01 AM, Frank Evans wrote: Hi Brent and all, Compass directions that are pursued make spiral curves towards the poles, if north of east-west then towards the north pole, if south of east-west then towards the south pole. If east or west then they do neither but

due east

the globe so lines of latitude (or call them something else) are straight and a right angle from north south? brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

blood moon

nd to sight up the pipe to verify that. Is that a coincidence or something that I should expect to see? I live in Southern California. Thanks; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Passion

Here is a "sundial" that works at night that was found in King Tuts tomb. http://serostar.com/cosmic/gallery.php#11715 This looks like a very interesting device. Has anyone ever used one? Anyone know how to use one? thanks; brent On 7/29/2011 9:42 PM, Brent wrote: Hello agai

Re: Passion

Hi Karon; Actually some people do have sundial tattoos. http://www.jamieleeparker.com/gallery/sundial.php http://thanksrick.blogspot.com/2009/10/showing-world.html brent On 7/30/2011 7:05 AM, karon wrote: I don't have a problem with the question. My father was buried with his fav

Re: Passion

Hello again; Here is a touching private response from Julie that I am sharing with her permission: Brent Your topic also got me to thinking. My husband, David, maker of the Aten Heliochronometer, passed away Sept. 2010. He was cremated and sits near me on our sideboard. I have been

Re: Passion

Hello Helmut; Actually if you google "sundial gravestone" you will see lots of them. I thought it was fair topic to discuss. Sorry if I offended anyone, none was intended. brent On 7/30/2011 1:17 AM, Helmut Sonderegger (Tele2) wrote: Sorry Brent, for me your mail is not of

Passion

Hello again; I have noticed some of you are very passionate about sundials. I’m curious how far that passion goes. Do any of you plan to have a sundial on your gravestone? Do any of you plan to be buried with a sundial? Do any of you have a sundial tattoo? -

moving asteroids

Hello again; Technology may soon allow us to change the orbit of asteroids. If that works, why not apply it to other bodies? When I am in charge of the solar system I might bring Mars closer to us so we can go there on weekends. I might move the moon closer to the earth to create better sur

special events

celebration? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: trying to simplify the math

re you can learn plenty about sundials here, as I have, and I'm sure you will also be able to contribute as well. Don't worry about the math if it is not a strong subject, there are other ways to make sundials without it. welcome; brent On 7/25/2011 3:57 PM, karon wrote: *I apo

Re: Disclaimer

e any indications that interest is growing in sundials? Any guess what percentage of members are newbies or amateurs? brent Hello again; I just want to say that I hope nobody takes my posts as fact. I'm not a scientist or an expert by any stretch, so my posts are basically all gues

Disclaimer

hotos, I should probably spend more time cleaning my yard or trying to earn a living than trying to make sundials. But this is so much fun. thanks for your patience; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Fwd: 360 degree clock

with online clock: http://i1195.photobucket.com/albums/aa396/JohnnyRingo131/newearth5.jpg It's off a little bit, but you get the idea. brent On 7/14/2011 11:55 AM, John Schilke wrote: Greetings! As a matter of fact, this idea has been suggested in some detail, including a patented New Zea

Re: 360 degree clock

ut you get the idea. brent On 7/14/2011 8:43 AM, Willy Leenders wrote: Brent, The axis of your globe has to make an angel with the horizontal plane, equal to the latitude. Se on my website such a sundial on page http://www.wijzerweb.be/maaseik002A.html Click on the thumbnail pictures to enlarg

Re: 360 degree clock

' axis. If I sight up that square at night I find the north star. I'll try and mount my globe on that pipe and see what I get. thanks; brent On 7/14/2011 8:43 AM, Willy Leenders wrote: Brent, The axis of your globe has to make an angel with the horizontal plane, equal to the latitude.

Re: 360 degree clock

. It's backwards for my gnomon shadows. http://i1195.photobucket.com/albums/aa396/JohnnyRingo131/globesundial004.jpg http://i1195.photobucket.com/albums/aa396/JohnnyRingo131/globesundial003.jpg http://i1195.photobucket.com/albums/aa396/JohnnyRingo131/globesundial002.jpg brent On 7/14/2011 7:

Re: 360 degree clock

time lines followed longitude lines which they don't. What is this called and what's it for? thanks again; brent On 7/14/2011 7:08 AM, Brent wrote: Hello; well that's cool, I never made that connection until now. Maybe if you sliced the earth in half at the equator and dr

Re: 360 degree clock

could make a sundial based on this. It might be a fun exercise. brent On 7/14/2011 3:52 AM, Frank Evans wrote: It's called longitude (well, nearly). More accurately, the westerly hour angle of the true sun (WHA), familiar to ancient navigators . Frank 55N 1W On 18/01/2011 20:03, Brent wrote:

Re: Shadow Forensics

. brent On 7/8/2011 2:20 PM, Simon [illustratingshadows wrote: There was also an episode of Monk (the detective) that bust an alibi based on shadows. Simon Wheaton-Smith www.illustratingshadows.com Silver City, New Mexico W108.2 N32.75 and Phoenix, Arizona, W112.1 N33.5 --- On Fri, 7/8/11, Brooke

Re: Shadow Forensics

I am protected by one on a hot day. I think there are probably lots of good uses of shadows. brent On 7/8/2011 1:40 PM, Brent wrote: Hello again; I was looking at an aerial photograph of a piece of property with a surveyor. We started to discuss when the photo was taken. We could tell by the

Shadow Forensics

, does anyone make practical use of shadows? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: off topic questions

Bay of Fundy, Canada. It turns out that the resonant frequency of that bay is just about 2 cycles per day - very low, but the same frequency as the tides. The bay of fundy tends to suck its tides in and toss its tides out just because of its shape! David Patte RelativeData.com On 2011-07-03 2

off topic questions

? Also, they say the moon is responsible for our tides and our waves. Why are the waves so much bigger in California and New Zealand than in Thailand or the Philippines? Their surf is pathetic. thanks; brent --- https://lists.uni-koeln.de/mailman

Re: Multignomon Sundial

your angle is not too steep. brent http://www.professional-power-tool-guide.com/wp-content/uploads/2008/08/drill-bits-spade.jpg On 6/13/2011 4:11 AM, Tony Moss wrote: On 13/06/2011 09:10, Alexei Pace wrote: Good morning, the only time I need to drill holes at an angle was through wood. That c

Re: Sundials for teaching

important lesson in itself. Much as we find amazement and humour in the excesses of Rome that led to the fall of their empire, future generations will point to our over regulation that preceded the collapse of western civilization. Good heavens Martina, get some backbon

Re: Sundials for teaching

eed to buy anything. Use the 500 pounds to take the class on a field trip to see existing sundials around your area. Then stop at McDonalds and buy them all lunch and make a sundial with your bag of fries. They will remember that forever. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: R: Re: Are there any commercially-available 'Teaching Sundials', for schools ?

gress during the day and learn lots about declination. Simple and cheap to make, big display, and keeps kids safely away from the sunshine. brent On 4/23/2011 6:06 AM, sun.di...@libero.it wrote: "Against stupidity the gods themselves contend in vain." Friedrich von Schiller

Re: Looking east

not a curved line at all, it is straight. The earth isn't actually tilted like we see on a globe, that tilt is just to show the position of the earth in relation to the sun. I can sleep tonight, east is east and a straight line like I always thought it was. But then again... brent On

Looking east

Am I confused? thanks; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Sundial house

and paste. thanks; brent On 3/30/2011 8:57 AM, Roger Bailey wrote: Hi Brent, The line from the sun spot projected on the wall is generally a curved line, a hyperbola, called a declination or date line. On the equinox, when the declination of the sun is zero, the line is straight. The

Re: Sundial house

Obstructions need to be taken into account. brent On 3/29/2011 2:58 PM, R Wall wrote: Hi Bret, A Birthday window what a good idea. Maybe something smaller like a wall vent could be turned into a Birthday Window. I wouldn't want to blacken out a full size window. Roderick Wall. -O

Re: Sundial house

ould watch their birthdays coming by following the sun spot. brent On 3/29/2011 7:27 AM, John Carmichael wrote: How about this: On one of the buildings, design a southern facing roof. Angle the roof so that it is equal to the latitude. Then place a gnomon on the roof and make the entire sou

Sundial house

that seems appropriate: Sol Lucet Omnibus The Sun Shines for Everyone brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: varying speed?

It's amazing that someone was able to calculate these numbers out to 6 decimals. Is that done by some type of observation or is it mathematics? How could you possibly measure something like that? On 3/25/2011 1:14 PM, Kevin Karney wrote: Nothing is constant in the heavens ! The 'tropical' yea

varying speed?

the Equation of Time. I'm confused about the varying speed part. Does the earth actually change speed as it travels around the sun or is it just the way we perceive it? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

solar tracking sundial

out a chronological tracker. That rotates one axis at the speed of the earth but in the opposite direction. That would make a fun sundial as well. Modern technology offers lots of new possibilities for sundials. Is anyone trying new designs? thanks;

Re: Spiral cut earth

urate sundial to align it to account for that skew? Also, when you say on the equinox the sun shines directly on the equator don't you mean the sun shines on one spot on the equator before moving north or south on it's spiral path? thanks; brent On 3/13/2011 4:19 PM, Roger Bailey wr

Re: Spiral cut earth

ude to latitude? Maybe I am not missing something or maybe I am not explaining myself. What am I confused about? thanks for your patience. brent On 3/13/2011 12:38 PM, Roger Bailey wrote: Hi Brent, Just do it!. Get a globe and a cheap laser pointer from a dollar store. Shine the pointer o

Re: Spiral cut earth

lurry of emails. On 3/13/2011 8:24 AM, Brent wrote: Put another way; When they say on the equinox the sun is directly above the equator maybe that is true for only one particular longitude on the equator. The equinox is not a day, it is a precise moment. So if I was on the equator on the day o

Re: Spiral cut earth

e had them aligned not east to west but slightly skewed? Of course we would have to realign them each season. On 3/13/2011 7:49 AM, Brent wrote: I was thinking that the sun tracks a straight line across each latitude line. So at an equinox the sun will be directly above the equator for

Spiral cut earth

Is this right? If so, what do you call that spiral line? brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

bad sundials

sundial mistakes? I wonder if there are lots of sundials around that contain mistakes? I wonder if there are any famous sundial blunders? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Correction

In my excitement I forgot that solstice to solstice is not one year but only one half of a year. But that is simple to divide up into equal parts as well. On 3/10/2011 5:22 AM, Brent wrote: Hi Frank; you wrote: > To be sure, you are not wanting to use the day > as a unit of time b

Re: Leap Years

My solar calendar would fix all of that confusion once and for all and we can begin a new era where all things make good sense. brent On 3/10/2011 12:53 AM, Frank King wrote: Dear Brent, Thank you for your follow-up... While I am trying to digest all of that I have a new question. Do t

Re: Leap Years

o equal parts. And this solar calendar would need no leap year and would always be correct. Maybe :) On 3/9/2011 9:27 AM, Frank King wrote: Dear Brent, You ask a fascinating set of questions. Has the leap year problem been solved with solar calendars? At one level, the problem is intractabl

Leap Years

Hello again; I am having some confusion about a solar calendar I am making. That is how to deal with leap years. I think if I include Feb. 29th on my solar calendar and align the calendar on a leap year the shadows will be off 1/4 day each year for 4 years when it will self correct on the n

The future of time keeping

as of what time keeping will be like in the future? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: upside down world

. :) brent On 2/17/2011 3:06 PM, Peter Mayer wrote: Hi Brent, If you've not seen it before, you may enjoy the 'Universal Corrective Map' (pinched from: www.odt.org/southupmaps.htm) best wishes, Peter On 18/02/2011 01:30, Brent wrote: Hello again; For fun I removed my globe from

upside down world

ndial? thanks; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: 360 degree/Fabian

't fight a battle yesterday. Maybe you are looking at your sundial upside down. Napoleon: Is everyone clear on the attack time now? The troops look at one another with raised eyebrows. Napoleon: Alright men, synchronize your sundials, may god be with you. brent Frank King wrote: Dear

Re: 360 degree/Fabio

why? thanks; brent fer de vries wrote: Frank, For another French Revolution sundial look at the website of "De Zonnewijzerkring". Address below. Look for: article of the month archives 2005 month 05-04, (April) You see at noon it is 5 decimal time. Around the dial is a double

Re: 360 degree/Fabian

ttack at Waterloo. Maybe it would make better sense to start and end days at sunrise which is the start of the new day for most of us. brent Fabio Savian wrote: Hi Roger, about the French Republican system I've a message from Fabio Garnero (Saluzzo, Cuneo, Italy, f...@solariameridian

Round math: off topic

ults. And besides that, it would be simple to measure round things without using clumsy Pi, that never gives you the right answer anyway. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: 360 degree

I guess if I am going to get rid of hours and minutes it would be a good time to get rid of the 360 degree circle as well. Maybe my new circle would have 100 degrees. Midnight would be 100 degrees 6am would be 25 degrees noon would be 50 degrees 6pm would be 75 degrees Now we are getting so

360 degree clock

o me. Did anyone ever tell time this way? It seems like it would work nicely with sundials. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Glass on Glass Mosaic Indoor Sundial Windows

t try. I can get you the brand name if you are interested. They also make an "ultra" UV resistant resin for surfboards but it was too expensive for my project. brent Tony Moss wrote: On 04/01/2011 15:50, Larry Bohlayer / Celestial Products wrote: John, Your posting has perfect ti

Re:re: stick in the ground

stick is in balance and harmony with things much, much bigger than myself. I can start to understand why our ancestors gave their sky markers spiritual significance; Stonehenge, Machu Pichu, etc. I feel like I am properly aligned with the universe now, and that makes me feel good. brent

Re: stick in the ground

simple protractor. Amazed once again! Happy holidays everyone. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

My Stick in the Ground

ving shadows and the changes in the sky in relationship to the object making those shadows... our gnomon. If that's so, astronomy may have started with just a stick in the ground and someone who had the curiosity to watch it. brent --

re: stop the earth

I think I found the math to determine look angles: http://www.freeclassnotesonline.com/Satellite-Look-Angle.php It's beyond me, but my guess is that we could solve for latitude and longitude if we know satellite location, azimuth and elevation.

re: stop the earth

behind these calculators? Thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: stop the earth

nd after the nuclear winter when all electronic gadgets stop working? Roger W. Sinnott wrote: Brent, Yes, I think you *could* determine your longitude by observing a geosynchronous satellite whose location was known. There would be some uncertainty if it wanders a little. Much more important, h

re: re: stop the earth/disco balls

The idea of personal prime meridians is entertaining but it probably isn't very practical. For example, if I discovered some nice island, how could I tell others where it was. My directions would be worthless to them, unless they started from where I did. It reminds me of personal time zone

Re: stop the earth

orth/south east/west inclinations equal zero and navigate half of your world and back again by measuring the inclination deviations. R Wall wrote: Hi Brent, The following links shows a photo taken of five geostationary satellites (using 5 hour exposure). I would have thought that there wou

re: stop the earth

So with the link provided by Richard Langley I can see geostationary satellites with a telescope: I think if I did that I could determine my latitude by measuring the angle of the satellite from the horizon on my north/south meridian. But now I can also

stop the earth

I have been wondering why I can determine my latitude using simple tools but not my longitude? The earth is a sphere, I would think if you can determine one you can determine both. The problem with calculating longitude seems to be the earth is rotating on its' axis. If the earth stopped spinn

Re: life before clocks

ne for the responses. Fabulous! brent Kevin Karney wrote: Brent This is a HUGE series of questions you have raised. Here are a few observations Remember that clocks for the masses are very very new (mid to late 19th C). Throughout most of civilization, there were 12 unequal hours between su

life before clocks

? Sailers? Sundials became very sophisticated, but why? thanks; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: rescue me

I think the interesting point here is that to find a particular place on earth you need latitude and longitude. Latitude is easy because it has a natural reference point, the equator which is half way between the poles. Longitude is harder because the prime meridian is an arbitrary reference poi

rescue me (off topic)

I have been thinking about how I could get rescued if I ever got lost without anything. I could determine my latitude as discussed earlier but my longitude seems elusive without knowing Greenwich mean time. However, there are some clues I could give in many circumstances. Of utmost importance w

Re: Light Based Geolocation

hours before high solar noonand maybe half way between sunrise and sunset. This manual seems to indicate these concepts: http://www.wildlifecomputers.com/Downloads/Documentation/WC-GPE%20Suite%20Manual.pdf It's because of the tilt of the earth? Roger W. Sinnott wrote: > Brent, >

Re: Light Based Geolocation

nough information? thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

finding latitude with the sun

noon sun on an equinox is maybe the colatitude, that is 90 degrees minus my latitude. Am I correct? Thank you; Brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: moon shadows

n they are in the same plane and we would have had an eclipse. However, I still find it fascinating that I had that big bright harvest full moon so closely aligned with my pipe at solar midnight. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

moon shadows

y if I use the wrong terms, I have never studied any of this. brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

help me understand

e never on time anyway. I appreciate all of your inputs but must admit you sent me running to the dictionary to understand your responses. Thanks again; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

better questions

Maybe the important questions are- Is the sun in a unique position ...every day of the year? every minute of the year? every second of the year? If the answer is yes, I think I can make the perfect sundial. thanks again; brent --- https

long pipe idea

Thank you very much for your input; Thad Weakley wrote: "The sun will appear to be in many of same places multiple times a year." / Is this true? What about the analema thing?/ Patrick Powers wrote: "It's not true that only experts can use accurate dials - you just have to understand the corre

long pipe dial

Well I also think my long pipe dial could tell us the day and the month. If our long pipe had cross hairs at the bottom the resulting shadow could tell us the minutes and maybe even the seconds. I have the tools to make such a thing, if anyone wants to encourage me. thanks; brent

The perfect sundial?

crazy to think I can make such a thing? Thank you; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial

Re: Earliest Roman Dial

The photo reminds me of a small mill stone. http://www.mackinacparks.com/userfiles/image/History/Mill%20Creek%20Mill%20Stone.jpg http://img.alibaba.com/photo/50392564/Stone_Trough_and_Millstone.jpg http://www.wellsweepgallery.com/gallery/sculpture/images/granite_mill_stone.jpg http://image46.we

Re: Unique?

I have photos but didn't know if I could post them here. Email me if you would like to see them. bren...@verizon.net --- https://lists.uni-koeln.de/mailman/listinfo/sundial

unique?

ike a cross between a polar sundial and a meridian line. I haven't seen anything quite like it by doing a search, just wondering if I have created something unique? thanks; brent --- https://lists.uni-koeln.de/mailman/listinfo/sundial