Difference between revisions of "Main Page"

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Prescription sunglasses can protect you while enabling you to see comfortably when you are outdoors. You will need to pick a qualified style of sunglasses to fit your prescription. Follow this advice to help you select prescription sunglasses.
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__NOTOC__
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Your frames:
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Welcome to the '''Geohashing Wiki'''.  Geohashing was brought to you by the [[xkcd]] webcomic. Read this information in [[Image:Flag of Germany.png|15px]] [[Hauptseite|Deutsch]] - [[Image:Flag of Spain.png|15px]] [[Image:Flag of Mexico.png|15px]] [[Image:Flag of Chile.png|15px]] [[Página Principal|Español]] - [[Image:Flag_of_France.png|15px]] [[Page d Accueil|Français]] - [[Image:800px-Flag of Sweden.png|15px]] [[Huvudsida|Svenska]] - [[Geo Hashing:Community Portal#Translation|and maybe other languages]].{{QUOTER}}<br clear=all>
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Normally, any frame could be changed into prescription sunglasses. Preferably avoid getting cheap or "non rx-able" [http://lucyyou.com/mat-kinh-thoi-trang mat kinh thoi trang] frames plus the extreme cover type since these make a difference to the visibility along at the corner with the lenses. These are typically suitable only up to specific power. Sunglasses having a shield design may also be not suggested for prescription sunglasses.
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Your lenses:
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== What is this? ==
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When you have vision problems that require wearing bifocal lenses or progressive lenses, it is easy to find prescription sunglasses for you. It is possible to select many different excellent lenses for example polycarbonate, plastic, Trivex and glass. Trivex is considered the best due to the durability. Polycarbonate just isn't the best choice if you plan to consider tinted lenses.
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[[Image:Coordinates.png|thumb|400px|[[The Algorithm]] as shown in [[xkcd]] [http://www.xkcd.com/426/ comic #426], published on 21 May 2008.]]
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The tint:
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Prescription sunglasses can be tinted or plain. Although blue and yellow are thought trendy the recommended shade is brown since it is the best option for protecting your eyes from your sun. A high level athlete or play tennis, golf or other outdoor sports, you should have accurate seeing as well as capacity to differentiate contrast. Grey can be another great option for its power to shut the sunshine. Blue isn't your best option as it might cause a glare.
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[[Geohashing]] is an adventure, comprising journeys to random places within a given area. Every day, effectively [http://carabiner.peeron.com/xkcd/map/map.html random locations] are generated by an [[algorithm]] that achieves randomness using stock market data. It is a ''Spontaneous Adventure Generator''. A set of coordinates is generated for each 1°×1° latitude/longitude zone (known as a [[graticule]]) in the world.  The coordinates can lie anywhere in the graticule — in the forest, in a city, on a mountain, or even [[Water Geohash | in the middle of a lake]]! Everyone in a given region gets the same set of coordinates relative to their graticule.
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You will have a various specialty tints to choose your prescription sunglasses such as following:
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&#8226;Gradient tints and that is deepest on the top bar one half of the glasses and fades towards the bottom
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The generated coordinates are used as destinations for adventures, ''à la'' [[wikipedia:Geocaching|Geocaching]], or for local meetups. After the fun, please '''[[expedition|document your expedition]]'''! The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your [[Achievements#Consolation_Prizes | failure]]). You can use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.<br clear="all">
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&#8226;A mirror coating to reflect the glare in bright light
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&#8226;Photochromic or transitions that cause the lenses to darken when encountered with sunlight and fade when from it.
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{{Getting started}}
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&#8226;Polarized lenses to help keep off glare by limiting vertical light, reducing strain towards eyes. This has a tendency to remember to darken particularly in cloudy weather or perhaps the colour tone and longer revisit clear lenses. Additionally often experience a light tint.
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&#8226;Anti-reflective lenses which are coated on the inside of the Calgary prescription sunglasses, keeping over glare and light-weight.
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<br clear=all>
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Finally, clip on prescription sunglasses are a choice for all on a budget, besides providing you the ease of carrying them around along and wearing them on the move. You can simply clip them onto your regular prescription glasses. These are, however, much less effective for a proper couple of sunglasses when they tend not to do a sufficient job of guarding your eyes in the sun. There is a choice of "fit-over" frames which are over your regular glasses, with no need to bring them off. They also steer clear of the side glare a result of clip-ons.  
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Make sure choose high quality frames for the prescription glasses during which prescription lens are acceptable to help keep the eyes are at ease, while enjoying good vision.
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{{New on the wiki}}
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== Official xkcd meetups ==
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{{:Saturday meetup}}
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== Recent and Upcoming Coordinates ==
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<!--
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THIS SECTION HAS BEEN COMPLETELY AUTOMATED BY User:Tjtrumpet2323.  LEAVE MESSAGES ON HIS TALK PAGE WITH CONCERNS.
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-->{{Next Saturday}}
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* {{Coordinates list}}
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* {{Expedition archive recent}}
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{{disclaimer}}
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== Gallery of Recent Expeditions ==
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The gallery for each day is added to this page automatically, but pictures are selected to the gallery by ''us''. Any geohasher is welcome to add a picture from that day. Just add your image name in the list at the “add yours” link. If the gallery hasn't been started yet, copy the format from the previous day, or [[Template:Expedition Images2/How-to|read the how-to]]. Please also write an account of your expedition, even if only a short one, so that people can click the link on your picture and find out more.
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'''[[Template:Expedition Images2/How-to|Click here to learn how to add your own expedition pictures.]]'''
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'''[{{fullurl:{{FULLPAGENAME}}|action=purge}} If your newly added expedition does not show, click here to refresh the cache]'''
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'''[[Geo Hashing:Current events|Click here to see an automatic list of all recent expeditions, whether pictures were posted or not.]]'''
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<!-- AUTOMATED BY User:relet.  Direct comments/questions/complaints about the automation process or the new gallery format to his user talk, or visit [[Template:Recent Images2]] -->
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{{Recent Images2}}
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==Recent non-expeditions==
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This section documents hash expeditions that geohashers ''wish'' they could make, but have not been able to for the reasons stated.
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===2013===
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* [[2013-03-28_39_-76]] by [[User:OfficeLinebacker|OfficeLinebacker]] - In some woods near a river near Conowingo, MD. Already went to two today, don't feel like driving another 4 hours.  Looks nice and very reachable, though.
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* [[2013-03-20 33 72]] (GlobalHash) by [[User:1PE|1PE]] - Western side of the Indus River valley, about 25km south of Nowshera, Pakistan; only 60km from Pashawar.
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* [[2013-03-15 -34 149]] by [[User:1PE|1PE]] - very near an interesting Google Maps feature, an aircraft pictured in flight but I couldn't justify going 70km each way to the hash.
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===Previous===
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<!--- Please... Add other heroic non-expeditions anywhere that is appropriate.--->
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<!--  
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
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IF YOU ARE READING THIS (and were hoping to add your expedition picture to the gallery) YOU HAVE TAKEN A WRONG TURN. TRY CLICKING THE 'add' BUTTON NEXT TO THE DAY OF YOUR EXPEDITION IN THE GALLERY.
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Click on the link "Click here to learn how to add your own expedition pictures." above the gallery for more information.
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###### !!! POSTED !!! NO TRESPASSING !!! ##################################
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//-->

Revision as of 17:34, 2 July 2013

Welcome to the Geohashing Wiki. Geohashing was brought to you by the xkcd webcomic. Read this information in Flag of Germany.png Deutsch - Flag of Spain.png Flag of Mexico.png Flag of Chile.png Español - Flag of France.png Français - 800px-Flag of Sweden.png Svenska - and maybe other languages.

“
How barbed is the wire?
 ”
find some more great geohashing quotations here.
—Felix Dance to Stevage on 2009-09-19 -37 145


What is this?

The Algorithm as shown in xkcd comic #426, published on 21 May 2008.

Geohashing is an adventure, comprising journeys to random places within a given area. Every day, effectively random locations are generated by an algorithm that achieves randomness using stock market data. It is a Spontaneous Adventure Generator. A set of coordinates is generated for each 1°×1° latitude/longitude zone (known as a graticule) in the world. The coordinates can lie anywhere in the graticule — in the forest, in a city, on a mountain, or even in the middle of a lake! Everyone in a given region gets the same set of coordinates relative to their graticule.

The generated coordinates are used as destinations for adventures, à la Geocaching, or for local meetups. After the fun, please document your expedition! The rest of us would love to read your story, see your photos, and cheer your success (or commiserate with your failure). You can use this wiki to document the daily coordinates (geohashes) you’ve been to or tried to reach.

Learn more

How to geohash:

Other people's expeditions:

Get involved



news archive • Edit What's new on the wiki?

  • The most active graticule for 2024-04 was 52,7.
  • The Eclipse achievement has been added.
  • The N-in-a-row achievement has been added.
  • The renaming process for the MNIMB, MNB, and Virgin Graticule achievements/consolation prizes is ongoing.

More pages needing discussion • Discussion archive • Edit Now discussing - please join in: 


Official xkcd meetups

Felix Dance, Mdixon4, Rhonda, Lachie and Stevage meet up at the 28 December 2015 (a Monday) coordinates for Bairnsdale, VIC, Australia.

Based on the title text from the comic that established geohashing, the "official" meetup day was interpreted as being Saturday; that is, the day one would have the best chance of meeting others -- see also Mouseover Day. Additionally it was decided through convention that a good meeting time would be 16:00 local time (4:00 P.M.)¹

However, neither of these are hard rules, and they were formulated at a very different early stage in the sport's history. Nowadays and for quite awhile actually, any date or time can be good (or bad, depending on how many other hashers are near you) for meeting up, especially if prearranged. Note that this only applies to that day’s normal local geohash or globalhash coordinates, if you try to go to an alternate location without telling anyone else, it's highly unlikely you'd meet up with a hasher there (obviously).

¹Or earlier if that would be too close to sunset during the winter, or other quirks of temporal tradition; see your local graticule page for consensus there.


Recent and Upcoming Coordinates

The coordinates for the next Saturday meetups, scheduled for 4 May 2024, will be based on the Dow’s opening price published at 09:30 EDT (13:30 UTC) on Friday 3 May. See timeanddate.com to convert this time to your local time zone.

Disclaimer: When any coordinates generated by the Geohashing algorithm fall within a dangerous area, are inaccessible, or would require illegal trespass, DO NOT attempt to reach them. Please research each potential location before attempting to access it. You are expected to use proper judgment in all cases and are solely responsible for your own actions. See more guidelines.

Gallery of Recent Expeditions

The gallery for each day is added to this page automatically, but pictures are selected to the gallery by us. Any geohasher is welcome to add a picture from that day. Just add your image name in the list at the “add yours” link. If the gallery hasn't been started yet, copy the format from the previous day, or read the how-to. Please also write an account of your expedition, even if only a short one, so that people can click the link on your picture and find out more.

Click here to learn how to add your own expedition pictures.

If your newly added expedition does not show, click here to refresh the cache

Click here to see an automatic list of all recent expeditions, whether pictures were posted or not.

Recent Expeditions


Recent non-expeditions

This section documents hash expeditions that geohashers wish they could make, but have not been able to for the reasons stated.

2013

  • 2013-03-28_39_-76 by OfficeLinebacker - In some woods near a river near Conowingo, MD. Already went to two today, don't feel like driving another 4 hours. Looks nice and very reachable, though.
  • 2013-03-20 33 72 (GlobalHash) by 1PE - Western side of the Indus River valley, about 25km south of Nowshera, Pakistan; only 60km from Pashawar.
  • 2013-03-15 -34 149 by 1PE - very near an interesting Google Maps feature, an aircraft pictured in flight but I couldn't justify going 70km each way to the hash.

Previous

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