Posts Tagged "red"
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Sextant: data and historical old ship GPS navigation
Continuing from our last post on models of historic civilizations and data, we’re drawing a line from Carl Sagan to the Conquistadors (and modern TV documentaries’ theories about them). This historic photo is an antique sextant from 1890. This historical navigation device worked by measuring the angle between the sun (or stars) and horizon using two mirrors. It was the GPS (or Apple Maps) of its day. And, as we learned from Apple Map’s initial glitches, then as now, successful navigation required a lot of information (or data) to work correctly! Since the Internet didn’t exist, this data had to arrive by some other means, which we’ll talk about in a future post. (So we’re also continuing on our earlier mirror theme.) The use of two mirrors’ reflection to align the image of the object with the horizon (when the sextant was set at the correct angle) enabled accurate measurements when on a moving platform, such as by a sailor on a boat at sea.… Read the restWolfram Alpha, von Neumann & digital physics
Continuing our discussion of fractals, digital physics, self-replicating spacecraft, cellular automatons, and von Neumann machines, this is view of a different part of the Mandelbrot Set (produced with a different viewer). Answer to the question at the end of yesterday’s IG photo post involves Stephen Wolfram of Mathematica fame. His company, Wolfram Research, makes the Wolfram Cloud Programming Language, a potential competitor to something IBM Watson-like, which we discussed in an earlier blog post. This language powers Wolfram Alpha, which is currently part of Apple Siri. So, if you’ve used Siri you’ve probably used this software. When not developing technology that became part of Siri, Stephen Wolfram wrote a bestselling (and somewhat controversial) book on Cellular Automatons, A New Type of Science. In one information-centric view of the universe attributed to Wheeler and others (sometimes called “digital physics”) the universe can be thought of as a collection of cellular automatons (or, equivalently, a Turing machine or perhaps a quantum computer).… Read the restSpace weather, sun storms, “Black Swan” & Carrington events
This giant prominence erupted from the sun on Aug 31, 2012, sending a shockwave towards Earth that could have caused some very serious problems. This sun storm illustrates how space weather can cause so-called “Black Swan” events: potentially devastating events like the Carrington event that are low probability and therefore may not be properly modeled or planned for. Continuing on the theme from our last two photos of data and mathematical models of civilizations, we already pointed out (in our Dyson swarm photo) that a civilizations capable of harnessing all of the energy from the sun would be a Type II civilization. Mathematical models of civilizations (including historical human civilizations) is a recurring theme on our blog and here on IG. Our first photo linked to a blog article discussing this. We’ll almost certainly revisit this subject in the future, perhaps to take a look at the conquistadors, or our own, current civilization (aka economics or operations research).… Read the restMH17 and big data: preventing the tragedy?
This might be a good time to take a break from our usual Internet of Things and Predictive Analytics technological musings and take a quick look at current events. Can big data be applied to the tragic recent shoot-down of MH17? Could a country-scale analytics dashboard (or lessons derived from analytics) have prevented this tragedy? We think so. In an earlier blog article (before the tragedy), we discussed possible frameworks for country-wide analytics dashboards. For any such dashboards to be successful, it needs to be as apolitical as possible. For this to work, these models need first to be accepted by stakeholders (e.g., politicians, corporations, voters, citizens, tax-payers, oligarchs, dictators). There needs to be a general consensus that the models’ predictions are based on sound social science. Even if the models are not perfectly accurately, there should be an understanding that they are at least directionally correction in terms of connecting input parameters with future outputs.… Read the restRecent Posts
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