News for hackers. Stuff that matters.
Re:Pentagon Tiling Proof Solves Century-Old Math Problem by vanattab on Tuesday July 11, 2017 @08:47PM (#14749303)
For those that don't see why it's so simple.

https://plus.maths.org/content/trouble-five

Re:Pentagon Tiling Proof Solves Century-Old Math Problem by plopilop on Wednesday July 12, 2017 @08:57AM (#14752081)
Unless I'm wrong, the link you gave only speaks about impossibility for regular convex polygons, whereas the original links deals with the more general impossibility for any convex polygon with more than 6 sides.
Re:Pentagon Tiling Proof Solves Century-Old Math Problem by obmelvin on Wednesday July 12, 2017 @09:57AM (#14752529)
I believe he links it for a bit of general background, but it is older so naturally it wouldn't include the latest finding