Data feels

cn: rape, sexual violence, & CSA juxtaposed with cold data. This is being crossposted to my other blog.

Some of my most important activist work is in volunteering technical skills for the Asexual Census, a survey of English online ace communities. This past week, I’ve been on a roll analyzing our 2015 survey. No numbers will be reported here, this is just a personal account.

Unsurprisingly, as soon as I was done with prep work, my attention was drawn to the statistics on sexual violence. As a programmer, I’ve been trained to always use descriptive variable names. Now I’m looking at variables named “rape” and “rapeCombined”.
[Read more…]

Paper: The Chaos within Sudoku

The Chaos within Sudoku” is a paper about solving Sudoku puzzles with physics. They simulate an imaginary physical system, let it run, and when it stops the puzzle is solved. See the video below:

The thing about Sudoku is that Sudoku is hard. More specifically, when Sudoku is generalized to grids of arbitrary size, it’s NP-complete. What happens when you translate an NP-complete problem to a physical simulation? The authors find chaotic dynamics.  And in the process, they identify the hardest Sudoku puzzle…
[Read more…]