From a quantum point of view:
Yes, so long as nobody/filming equipment/animals are looking at them. However, this happening is incomprehensibly unlikely - the point is you don't know.
People are also technically invisible in pitch black.
There are also ways to hypnotize people into not being able to see you. See derren brown: Mind control.
However, everyone else can still see you.
People can not be invisible.
no
Certainly you can. They are people and not invisible.
The cast of Invisible People - 2002 includes: Matthew Morgan as Narrator
if your invisible around other people than the signs are that they dont like you and are just not listening to you
The cast of Invisible Old People - 2009 includes: Norberto Arribas
you can,t do that yourself!people have to put a spell on you then you can turn invisible!
So far it has not been possible to make people invisible - but this is an area of active research.
"invisible pour les gens que je déteste" is translated by "invisible for the people I hate"
by special computers
You can't turn invisible, but if you are a Civil Security Ghost, you are invisible to the people who are not a ghost.
Other people not being able to tell is kind of the whole point of being invisible.