Another busy year for Chalkdust is gone(well…almost). That is 50 online articles, 2 new issues, 1 advent calendar a few quizzes and loads more. In the remaining few hours of 2016 we look back to some of the amazing articles written by us and our friends. From everyone on the Chalkdust team enjoy this post and look forward to even better blogs next year.
[Pictures: 1 – adapted from Flickr.com – Moscow New Year 2016 by Valeri Fortuna, CC-BY 2.0; other pictures by Chalkdust]
On the thirteenth day of December, Chalkdust gave to me… a super awesome personality quiz. For those of you who have always wondered which mathematician they were in their previous life (and for those who haven’t, but should) Chalkdust has the answer. Just answer a few carefully selected questions and find out for yourself!
Cover Picture Test – adapted from Flickr.com – Great Mathematicians by Andrew O’Brien, CC-BY 2.0;
1.adapted from public domain – Cauchy;
2.adapted from Flickr.com – Gauss by Adrián García Candel, CC-BY 2.0;
3. adapted from Flickr.com – alan-turing by CyberHades, CC-BY 2.0;
4.adapted from Flickr.com – Emmy Noether by Open Logic, Public Domain Mark 1.0;
5.adapted from Flickr.com – Vintage Ad #2,067: The Apple that Rocked the World by Jamie, CC-BY 2.0;
other pictures by Chalkdust]
Manhattan is a Cartesian plane brought to life. The original design plan for the streets of Manhattan, known as the Commissioners’ Plan of 1811, put in place the grid plan that defines Manhattan to this day. Using rectangular grids in urban planning is common practice but Manhattan went as far as naming its streets and avenues with numbers: 1st Street, 42nd Street, Fifth Avenue and so on.
The idea of a system of coordinates was first published in 1637 by René Descartes (hence Cartesian) and revolutionised mathematics by providing a link between geometry and algebra. According to legend, school boy René was lying in bed, sick, when he noticed a fly on the ceiling. He realised that he could describe the position of the fly using two numbers, each measuring the perpendicular distance of the fly to the walls of the room. Voilà! The Cartesian plane was born.
It is only natural then that we interpret the Cartesian plane in terms of spatial coordinates but what happens if we take the same old Cartesian plane and re-invent the 2D space as a space of functions?