A visual guide for those who were told to “just remember the formula” or those who don’t know why they should care at all. — One of the most central concepts in statistics is the concept of standard deviation and its relationship to all other statistical quantities such as the variance and the mean. Students in introductory courses are told to “just remember the formula” but, believe me, this is not the best way to…

How I used Python, Node.js and OpenBCI hardware to accurately read my brain signals — As originally appeared in my personal blog. I love coding and I also study the brain — so why not tackle them both? In this post, I show you how you can hack your brain using both code and the amazing and low-cost hardware from OpenBCI to manipulate your brain…