Una supernova es básicamente una explosión estelar de grandes proporciones. Imagina si explotara nuestro sol. Claro, en...
Science of the past
Curiosities of ancient science and technology. Technology of the past. I look for traces in old books.
Edgar landivar
Albert Einstein was undoubtedly one of the best known characters of the 20th century. Some veneration for ...
The title may sound bizarre, but throughout history humanity has used substances ...
Edgar landivar
By the end of December last year I got an impressive gem: an old computer, but in optimal ...
After writing the brief review of the EPSON HX-20: the first laptop ever, I ...
A few days ago I came across a product that is being funded on Kickstarter (the most popular ...
They will sound like two science fiction stories, but they are not. These are experiments or devices that, ...
Today we all assume as an indisputable truth that Alexander Graham Bell is the inventor of the telephone, ...
If there is a turning point that changed the course of humanity, it was the revelation by ...
The other day a friend jokingly told me “why don't you make your own ...