Spatialists

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Ignite Zurich talk on Informational Magnetism

On July 3rd, I was invited to give a talk at Ignite Zurich. If you don’t know the format: it boils down to 20 slides that auto-advance every 15 seconds giving you a total of 5 minutes stage time – pretty intense! I chose to make...

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Fabulous Finds II

→ Google Sheep View If you are like me you love a good parody and hence this new Google product.   → What to do if your p-value is just over the arbitrary threshold for ‘significance’ of p=0.05? Matthew Hankins carried out an analysis of...

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Visualizing group sizes and inter-group flows

A few weeks ago, I came across the following graphics on Twitter: They depict voter share per party (including absentees, in grey) (top) and voter flows between different parties in the 2015 cantonal elections in Zurich. The graphics are produced by sotomo, a research company at the nexus...

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Fabulous Finds I

→ The real reason American passenger trains are so bad “It’s not just that these services aren’t the best in the world and don’t deploy the most cutting-edge technology available. They are often truly abysmal, with travel times worse than what was possible 100 years...

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Slide design and public speaking

I have a Slideshare account that I use to publish slides of presentations I’ve held (if it’s okay to publish them, which is the case only very occasionally). Sometimes Slideshare sends me e-mail news that I more often trash than skim. But yesterday a post with the...

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Sunset on Mars

A  sunset on Mars: This picture been taken by NASA’s Curiosity Rover on the mission’s 956th Martian day (April 15, 2015). The colour has been “calibrated and white-balanced to remove camera artifacts” according to NASA. The colours are thus similar to what a human would perceive, although we might see...

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“You’ll never trust a map again”

is what BuzzFeed (really, BuzzFeed!?) named this instructionable video on map projections:   The point is not to distrust the map, obviously, but to have the necessary background knowledge in place to properly judge what you see. Actually a good thing to do with respect...

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On weather and climate change

Sometimes people tend to mistake weather (a short-term phenomenon) for climate (the long-term average). I recently came across this video in which astrophysicist Neil deGrasse Tyson explains the difference between the two. I think it’s a brilliant example of conveying complex concepts using a simple analogy. In...

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Best images of Earth in 2014

Wired has a slideshow of NASA’s best images of Earth that I’d recommend you to check out if you enjoy images from space! Below is a picture of the spectacular Bowknot Bend of the Green River in Utah (USA), as taken by an unnamed astronaut on...

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The best in cartography and infoviz of 2014

I will abstain from compiling my own list of “The best …”. Instead, I give you a small list of lists to be consumed at your pleasure: The Best Data Visualization Projects of 2014 by FlowingData All of Nathan’s picks “are interactive or animated or both”. “Telling for where...

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To all you Geohipsters out there

Have you heard of the Geohipster blog? It’s the self-described place for people who ‘grow their own organic vertices, use gluten-free topology or only geocode by hand, in small batches’. And I give at a big recommendation, put it into your feed reader. And relax, you don’t need to be a...

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Geocoding Twitter users – The #SwissGIS map

Recently, I’ve been experimenting with some Twitter-oriented hacks together with my friend Tom. A very preliminary result of these activities is what I call the #SwissGIS map. Some, just a little, history: Over the last few years, I have been collecting Switzerland-based Twitter users that talk about topics...