Josep Portella


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The Monad.Reader cryptogram

Little article describing the cryptanalysis of the cryptogram found in The Monad.Reader issue 19.

How does Magia DNI work

Article that describes the OCR method implemented in the Magia DNI application for Android.

Holmes' volatile opinion on Dupin

Essay about the changing opinion of Sherlock Holmes about C. Auguste Dupin, Edgar Allan Poe’s detective.

A vestige of the classic C language

Little essay about the influence of the classic C programming language in other languages.

Demystifying the DNI numbers

Article that debunks an urban legend which states that on the back of the Spanish ID card there is a number that represents the amount of people with the same name as the holder.

Unexpected cryptogram

Tale in which the protagonists have to decrypt an encrypted message.