Well, now I know all about geographic datums and projections, and what’s the difference between WGS84, EPSG:4326, EPSG:900913. The answer is that WGS 84 is a datum, EPSG:4326 is a projection which refers to WGS 84, no hang on that’s not right, it’s a datum, the same one WGS 84. Actually I’m not so sure about that. Anyway, EPSG:900913 is the new name for a spherical mercator projection. Or is it a datum, I’m not sure? The important thing is that it approximates the Earth as a sphere instead of an ellipsoid, and this makes some geographers really angry.(more…)
Archive for October, 2008
I recently played a CD which was scratched and skipping, making a tick tick tick sound out of tempo with the music. So I applied toothpaste to the affected area and it fixed the skipping.
While on bike tour, my mobile phone charger stopped working. This was because of the way I kept it with the wire wrapped around it. So I attacked it with a knife, made it good again, then taped it back together with gaffer.
The “happening” was basically a planned and legitimised version of Critical Mass. I’m not sure what the official goals were, but for me the action served as a reminder of how awful it is to cycle in Wrocław.(more…)