http://wikimapia.org/#lang=en&lat=-58.538520&lon=-161.724930&z=11&m=w

Л скільки фігур бачите ви? ⦣ ∠ 1 Five Sixths Pizza Left water v in pizza
http://ukr.media/humor/418254/
⦣ U+29A3 REVERSED ANGLE
∠ U+2220 ANGLE
http://www.media4math.com/library/math-clip-art-fractions-pi[...]

13 13 Капелюх
http://meta.ua/uk/news/science/71149-matematiki-vidkrili-nov[...]

tiling

http://www.youtube.com/watch?v=VVZh7_DBm5g

Wang tile made monochromatic by replacing edges of each quadrant with a shape corresponding on its colour
http://en.wikipedia.org/wiki/Wang_tile

1234
http://www.popsci.com/vizzies-winners-2018
http://dmsm.github.io/scissors-congruence/

Andreas Wannerstedt
http://andreaswannerstedt.se/projects
http://www.facebook.com/andreas.wannerstedt/Banach–Tarski Paradox
http://cognitivecoitus.wordpress.com/2010/11/16/the-banach-t[...]
http://www.youtube.com/watch?v=s86-Z-CbaHA

Игра в кальмара