On June 13th, Roger delivered a lesson on “The Shift” focusing on the baseball defensive strategy of moving fielders to where the batter is most likely to hit based on data. The lesson goes all the way back to Ted Williams, whom the shift was first done to, as he...

On March 7th, Roger shared a lesson on “Catching the Train” where he begins by sharing some screen captures of the video he took as a train drove by his house around midnight. How that even though he could hear the train, it took him a long time to actually...