A visualization of what a supermassive black hole would look like in space, "rendered (almost) entirely through physical principles". [blog.seanholloway.com]
Three reasons to stop grading your students' work (aka "ungrading"): 1) you want to focus on feedback, 2) equity, 3) grading is not teaching. [theconversation.com]
Yellowstone is Offering a $1,500 Annual Pass That You Won't Be Able to Use for 150 Years. [backpacker.com]
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