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  1. Euler's polyhedron formula

    ... it down in words. It turns out that it is described by two features. The first is that Platonic solids have no spikes or dips in them, so ... seven edges: http://plus.maths.org/content/os/issue43/features/kirk/proof but as I could barely follow *that* one, that's all ...

    plusadmin - 26 Jul 2018 - 13:51 - 70 comments

  2. Changing the face of science

    ... The face transformer manipulates your facial features so that you look older, younger, like a different ethnic group or even ... example the eyes, mouth, cheek bones etc. Around 160 facial features are identified. These feature points are used to divide the image into ...

    plusadmin - 27 Jul 2018 - 04:53 - 0 comments

  3. Looking out for number one

    ... model alphabetic data. See http://plus.maths.org/issue9/features/benford/ regarding numeric data. Using logs with base 27, the ...

    plusadmin - 27 Jul 2018 - 04:53 - 4 comments

  4. No place like home for Martin Rees

    ... look through their telescopes, they see so far that features not visible to us on our familiar earthly scale become apparent. Here ... that the surface of the ocean is smooth - there are lots of features in it but on a large scale we can talk about average properties. And ...

    plusadmin - 25 Jul 2018 - 19:46 - 0 comments

  5. What is a black hole – mathematically?

    ... you characterise a black hole so simply, with just a few features, such as mass and size? One of the reasons why black ...

    Rachel - 26 Jul 2018 - 22:52 - 4 comments

  6. Maths and art: the whistlestop tour

    ... work is this link: http://plus.maths.org/content/os/issue9/features/lyapunov/index Great wright up by the way, using it in next week ...

    plusadmin - 26 Jul 2018 - 07:49 - 9 comments

  7. How the Universe began

    ... Big Bang model could not explain some of the most striking features of our Universe. Three problems were particularly bugging ... addresses the fact that many of the Universe's physical features are roughly the same wherever you look. Travel a few million light ...

    plusadmin - 25 Jul 2018 - 13:46 - 0 comments

  8. Understanding uncertainty: Visualising probabilities

    ... for those with poor numeracy. Many graphics have these features, but those used to represent probabilities may be of particular ... the peculiar perspective. We can summarise these negative features as chart junk . They add useless clutter to what could have been an ...

    Marianne - 26 Jul 2018 - 04:48 - 0 comments

  9. Constructive mathematics

    ... mathematical algorithm, a recipe for determining all of the features of an object. In so doing, you also get existence for free, of ...

    plusadmin - 29 Jul 2018 - 20:05 - 0 comments

  10. Matrix: Simulating the world Part I - Particle models

    ... best to simplify a complex problem, to distil the crucial features of a system and leave out anything that might confuse the analysis of ... the simulation won't behave properly around these artificial features. A common trick in modelling is to define the world space so that if a ...

    plusadmin - 26 Jul 2018 - 13:51 - 0 comments