User blog comment:EDN1980/God/Demon/Angel/Monster Weaknesses/@comment-3481504-20130313184727/@comment-3481504-20130321204638

Yes!

Compliments to friend Twilight Despair 5.

Air is completely invisible, unless in the form of a cough, but, even then, that's carbon dioxide - an element. And, you can't see sound, but that's real.

Therefore, something invisible can be real.