I use http://feedly.com/ , mostly because I had a robust RSS feed when Google used to come with one, and Feedly volunteered to transfer over RSS accounts when it was shutting down to capture users. I don't have any complaints.
As a physicist, I'd like to say that if you're tempted by inaccessible cardinals, you will still end up mucking about with them, much to the annoyance of some of your cohort.
My friends and I liked this book enough to make a digital art project based on it!
https://mindsetscouts.com/