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The most famous packing problem concerns spheres. In 1611, the astronomer Johannes Kepler proposed that the densest way to ...
Kylie Leung from Courtney House International School in Pretoria was selected to represent South Africa at the Vietnam ...
Ask the publishers to restore access to 500,000+ books. The Internet Archive keeps the record straight by preserving government websites, news publications, historical documents, and more. If you find ...