grand hotel paradox: a TED talk thought-puzzle on the nature of infinity
symmetry group: stunningly uniform modern architectural faรงades in a Turkish neighbourhood
echo parque: there is a popular attraction in Mexico that simulates the dangers of illegal border crossing
reinventing the wheel: a small collection of ingeniously useful and essential medieval apps
ramifications: happy lunar new year
Friday 20 February 2015
five-by-five
catagories: ๐น๐ท, ๐, ๐งฎ, foreign policy, holidays and observances, philosophy