#### [Geographic Literacy](/content/blog/post/geo-literacy/index.html)

Declining geographic literacy in the hyper-information age is a curious paradox.  It may also spell trouble for our over-used planet.  This post starts to looks at this issue in more detail.

#### [Mercator's Magic Map](/content/blog/post/mercators-magic-map/index.html)

One of the most profound and influential advancements in cartography is sorely misunderstood today.  Let's take a look at when it happened, what it does and why it is still incredibly important.

#### [The Address Dilemma](/content/blog/post/address-dilemma/index.html)

Have you ever encountered a misplaced marker? Geocoding may be the culprit. This post takes a look at the ubiquitous and erratic way we humans describe locations.

#### [On the Flip Side](/content/blog/post/flip-side/index.html)

Have you ever wondered who or what is on the other side of the planet?  This post takes a look at what is straight down and upside down.  It also ponders the Earth's strange antipodal balance.

#### [The Shadow Knows](/content/blog/post/shadow-knows/index.html)

The size of the Earth was calculated with surprising accuracy by Eratosthenes in the second century BC.  His method was both brilliant and simple.  This article describes a classroom experiment for repeating his results.

#### [The Fly on the Wall](/content/blog/post/fly-on-wall/index.html)

A long line of brilliant thinkers and mathematicians patiently observed, deduced and calculated a way to render the details of our world onto conveniently flat charts, books and electronic devices.  A fly on the wall helped.

#### [The Good Egg](/content/blog/post/good-egg/index.html)

There are some interesting similarities between the Earth and an egg.  This post takes a few measurements to discover how accurate that model really is.

#### [What is GIS?](/content/blog/post/what-is-gis/index.html)

What is GIS?  This article kicks off the blog with a philosophical look at the root meaning of GIS and what it really involves.