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Math Brain Teaser for Kids and Adults: Archimedes Grave

(Editor’s Note: every oth­er Fri­day, start­ing today, we’ll pub­lish a brain teas­er to exer­cise our brains a bit. Here you have one sub­mit­ted by new con­trib­u­tor Maria Lan­do. Enjoy!).
Archimedes made a plen­i­tude of sig­nif­i­cant sci­en­tif­ic dis­cov­er­ies through­out his life. He designed machines capa­ble of lift­ing attack­ing ships out of the water as well as mir­ror arrays capa­ble of focus­ing sun rays and set­ting ene­my ships on fire. He explained why and how bod­ies float in the water, help­ing the king ver­i­fy that his crown is indeed made out of pure gold. He was fas­ci­nat­ed with infin­i­ty and found the way of approx­i­mat­ing the num­ber Pi as well as count­ing the num­ber of grains of sand that will fit inside the uni­verse. He died telling a Roman sol­dier that he is too busy to meet a gen­er­al as he was con­tem­plat­ing yet anoth­er math­e­mat­i­cal dia­gram.  His tomb was dec­o­rat­ed with his favorite dis­cov­ery .… What do you think it is?

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