http://www.johndcook.com/blog/2010/06/17/covariance-and-law-of-cosines/
The reason that the error involved in a poll of N people is asymptotically sqrt(N) is the same reason that the length of the diagonal of an N-dimensional cube is sqrt(N).
A paper on describing circuits in an agda DSL: http://www.staff.science.uu.nl/~swier004/publications/2015-types-draft.pdf
Going more carefully now through this little tutorial on fpga programming with the iCEstick. It's in spanish, which makes it slightly more…
Some further progress cleaning up the https://xkcd.com/1360/ -esque augean stables that is my hard drive. Tomato chicken I made a couple days ago…