Hydrochloric acid????

@Ewald Schnug

HCI = Human computer interaction

Thanks @Bilal Al-Ahmad 

Dear friend: According Eckles, the mind of the man touch the brain as the pianist touch the piano.

This means that the mind touch the computer as the mind touch the brain. The computers, up to now, have not mind. A computer alone will never advance, remain without changes, she will be usefull with a mind.

The mind is even a secret, The mind it is not mechanizable because have components of diffuse loggic(love, hate in contradictions) between others.

I think of this way.

Kindly check this

What Is The Next Frontier For Human Computer Interaction?

http://usabilitygeek.com/what-is-the-next-frontier-for-human-computer-interaction/

Dear researchers

Thanks for your valuable comments / answers

:-)