Plano cartesiano

By Luis Prado | Published: March 7, 2011
Você sabia que os termos plano cartesiano e geometria cartesiana vem do nome de um dos mais importantes matemáticos do século XVII? René Descartes (1596, 1650) foi filósofo, matemático e físico. Publicou inúmeros trabalhos de grande importância para as ciências e para a filosofia. A famosa frase Cogito Ergo Sum, ou “Penso logo existo” ou “I [...]
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Mammals are outnumbered

By Patto | Published: January 24, 2010
Species by species, mammals are absolutely outnumbered by almost anything else. Multi-legged and legless organisms rule the world. Insects and other arthropods are the champions, followed by the plants, mushrooms and other invertebrates. And where are we? Well, the mammal image in these graphs is extremely overstated. And the primates, wouldn’t make a dot in [...]
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USP é 87a melhor?

By Luis Prado | Published: January 24, 2010
Você sabia que a USP  é a 87a melhor universidade do mundo? O ranking de universidades Webometrics classifica as 4000 melhores universidades do mundo. No ano de 2008, a Universidade de São Paulo – USP, subiu 26 poosições e foi considerada a 87a melhor universidade do mundo, colocando-se acima de universidades consagradas coma a McGill University [...]
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Centrifugal force does not exist

By Luis Prado | Published: January 24, 2010
Did you know that centrifugal force does not exist? On the webpage of Six Flags Fiesta Texas, San Antonio you can read defy gravity as Whirlpool glues you to the wall with centrifugal force. Scientifically speaking this statement is wrong! According to the Cambridge Advanced Learner’s Dictionary centrifuge is a machine which turns a container round very quickly, [...]
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