Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Abstract: Protection of information is of paramount importance in today's digital age. Physically Unclonable Functions (PUFs) are considered a secure method for security key generation because they ...

Abstract: Eddy current displacement sensor (ECDS) is a common shaft displacement measuring device for various motors. Its output characteristic is partly linear, while the whole is non-linear. This ...