On retro-computing: Sinclair ZX81

My Previous posts on reto-computing were dealing with emulating old 8-bit and 16-bit computers and consoles. That’s is what indeed triggered a bit of retro-gaming and retro-computing addiction. And, of …

What are forces ?

This question stems from discussions at work about the notion of “data gravity”, which, 10 years after its inception, seems to make a comeback and draw some kind of vague …

Evaluation des technologies quantiques

Voici le rapport technique d’évaluation des technologies d’informatique quantique élaboré par l’équipe du Digital Labs d’Econocom.  Notre objectif  est d’évaluer expérimentalement les technologies quantiques actuelles, avec pour application la résolution …

On superdense coding

Alice and Bob are fictional characters often used to describe cryptographic protocols. We introduced them in a previous article on quantum cryptography. Picture a situation where Alice and Bob are …