Dan Griffin, the scientist whose back of head is featured in this video, is the author of the study from this HN thread a while back: https://news.ycombinator.c

Dan Griffin, the scientist whose back of head is featured in this video, is the author of the study from this HN thread a while back: https://news.ycombinator.com/item?id=8708161 https://news.ycombinator.com/item?id=8708161