In 1959 was published in the journal Pride of the American College Public Relations Association an essay entitled Angels on a Pin, by Alexander Calandra, professor of physics at Washington University in St. Louis, Missouri. The story is about a physics student who surprises his...

« The most desperate are the most beautiful lament » (Alfred de Musset, La nuit de Mai, 1835) A mathematician’s lament (2002) is an article from Paul Lockhart, a first-class research mathematician and teacher at Saint Ann’s School in Brooklyn, New York. Not only is it a...

« Philosophy is written in this grand book - I mean the Universe - which stands continually open to our gaze, but it cannot be understood unless one first learns to comprehend the language and interpret the characters in which it is written. It is...