Firefighting was helpless in Notre-Dame Cathedral

April 15 2019 is a day in which the world was shocked by the images of the iconic Notre Dame Cathedral in flames. 

The internet got flooded by videos of firefighters trying to fight the flames that consumed one of the great monuments to the best of civilization. Unfortunately, this kind of firefight is helpless in  this kind of buildings.

First e-reader was neither Kobo nor Kindle

The first e-reader was neither Kindle, nor Kobo, nor Sony. The first e-reader was build 70 years ago and was intended to be the best reader for kids.

In 1949, Angela Ruiz Robles, a language teacher from Spain built what she called "La Enciclopedia Mecanica" ("The Mechanical Encyclopedia"). The major motivations for such invention were: