13 votes The 1,200 year maths mistake Posted February 23 by cfabbro Tags: art.installation, germany.wemding, zeitpyramide, pyramids.concrete, time, manfred laber, artists, mistakes, fence post problem, errors.off by one, triangular number, author.matt parker, videos, standup maths https://www.youtube.com/watch?v=FAdmpAZTH_M Link information This data is scraped automatically and may be incorrect. Authors Stand-up Maths Duration 19:10 Published Feb 22 2024