Main HN discussion is here: https://news.ycombinator.com/item?id=12702759 https://news.ycombinator.com/item?id=12702759 Incidentally, it is interesting to see

Main HN discussion is here: https://news.ycombinator.com/item?id=12702759 https://news.ycombinator.com/item?id=12702759 Incidentally, it is interesting to see how many folks uniformly have the same misconception that dark matter is only about explaining galactic rotation curves. Obviously it's not at all surprising or troubling that laymen aren't experts, but the mistaken information is really far from random.