Author of the immaterial science paper An Estimation of the Probability of a Coin Landing on its Edge, Dick Dau Swagg talks about edging, specifically what makes a coin more or less likely to land on an edge and his research podcast. The paper can be found here on the immaterial science subreddit.

https://www.reddit.com/r/ImmaterialScience/comments/1ggz5sg/this_paper_is_all_about_edging/#lightbox