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Geography
How many humans have ever walked the Earth?
A small mathematical and historical exercise to determine how many people have ever walked the Earth throughout human history.
Nov 23
•
Miguel García Álvarez
25
2
4
Two sunrises and two sunsets in a single day
Northern lights, two sunsets in one day, and a unique view of Greenland. In short, the advantages of travelling from Tokyo to Madrid without being able…
Nov 1
•
Miguel García Álvarez
14
2
The 315 borders of the world
On the idea of borders throughout history, and a compilation of some unique borders in the world.
Sep 28
•
Miguel García Álvarez
19
2
5
The true size of countries
Cartographic projections distort countries, which can lead us to believe that some countries are larger or smaller than others. Sometimes, this is not…
Jul 19
•
Miguel García Álvarez
84
6
11
The abyss of demographic winter
A journey through the major demographic risks in human history, from the threat of overpopulation to the abyss of demographic winter.
May 29
•
Miguel García Álvarez
11
2
1
Unexpected curves: Drawing straight lines on a map
A combination of flight paths, a calculation of the direction of Mecca and sea routes. All about geodesic lines.
Apr 24
•
Miguel García Álvarez
14
3
1
Daylight saving time
How it began as a complaint about not being able to make the most of the daylight, and then it was established due to the need to save energy in times…
Mar 27
•
Miguel García Álvarez
6
2
2
Time zones: time standardization
How we went from each city having a local time, to a national standardization and, finally, with the well-known international time zones.
Mar 20
•
Miguel García Álvarez
9
2
1
Why does the day have 24 hours?
How the need to divide the day came about, why it is precisely 24 hours, and how people learnt to measure each of those hours.
Mar 13
•
Miguel García Álvarez
18
2
4
Trump, Google Maps and the names of places
The interconnected story of toponymy, the willingness to conform of Google Maps and the intentions of Donald Trump.
Feb 20
•
Miguel García Álvarez
15
4
4
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