Computación cuántica, circuitos cuánticos

[Hi from Argentina!]

I think this is on topic, but this is an English speaking forum, and posts in other languages are usually ignored or flagged (unless there is no alternative in English and it is very very interesting).

(In this case, there is a lot of material in English, some is better, some is worse, ..., but there is a lot.)

I suggest to write two versions of the post, one in Spanish and other in English, and post the English version here. I do something like this, and the English version usually gets x10 more traffic than the Spanish version.