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Avani M. from Malaysia created this beautiful flower on Polypad and earned 1st place in the 12-14 year old division in the Polypad Art Contest. See all winners at https://t.co/bI58YiGpjJ
David Hilbert was born 160 years ago today! 🎉🎂 His goal was to build a formal, logical foundation for mathematics. In 1900, he presented a list of 23 important mathematical problems for the next century – and four of them are still unsolved today! https://t.co/roRUfL3Kqd
Happy Birthday, Sir Roger Penrose! Below is an example of a Penrose tiling: a tessellation that never repeat itself! Learn about his other achievements at https://t.co/WwpiAehrUs, or create your own patterns at https://t.co/HDEd7BNKaK
Leonardo Da Vinci drew these beautiful illustrations for a book by Luca Pacioli about polyhedra. https://t.co/nxVTCT79ej