Posts Tagged "map"
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Asteroids hit the Earth more often than thought
As show in this map, small space asteroids hit the Earth more often than commonly thought. We’re continuing our recent asteroid theme. According to this map, small asteroids were documented hitting the earth 556 times in the twenty year from 1994 to 32013. Nasa notes that “almost all were harmless.” Ahhh, well, almost all, except for that Chelyabinsk event. (The study of these unlikely but potentially catastrophic “Black Swan” events, like the Carrington Event, is another topic we’ve discussed before (here).) Recall the Chelyabinsk event broke a lot of windows and caused a lot of other damage in rural Siberia (and made for some pretty spectacular video). Good thing Siberia is rural, because the Chelyabinsk event _only_ released 20-30 times more energy than the atomic bomb over Hiroshima. And it wasn’t detected before it entered Earth’s atmosphere. So maybe that early warning system needs some work if we want to continue feeling smug and so much superior to the dinosaurs.… Read the restInternet map: network data visualization example
Moving on from dashboards & scoreboards, let’s look at some cool data visualizations. This is a 2005 visualization of the Internet IP addresses — or an Internet map. It’s an example of data visualization for a network. Each line joins two IP addresses, with the length representing the delay between them. Less than 30% of reachable addresses were used to construct the Internet map, so this Internet map is only a partial map of the Internet at that time. Photo: Wikimedia/Matt Britt/The Opte Project/CC-BY-2.5 A version of this article originally appeared as a photo post on our Instagram feed. (more…)… Read the restRecent Posts
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