Weird article title. I was hoping to read an article about the constraints of building tall roller coasters (and hard limits, if any). This is just a review of 4 tall roller coasters, not even the steepest ones[0]. TBD if we can build one with a 500 foot drop. [0] https://en.wikipedia.org/wiki/List_of_roller_coaster_ranking...
https://en.wikipedia.org/wiki/Euthanasia_Coaster
I was surprised that I had a physical queasy reaction to reading that.