"I'm interested in giving visible form to what is normally invisible or intangible," she said.
The mist in the air had condensed on the normally invisible shields.
Scanning Zero: the normally invisible "dark zone" appears on the map.
Though he is normally invisible to everyone but Bob, children can also see him.
Radar is something that is in use all around us, although it is normally invisible.
His eyes are normally invisible behind black glasses.
This makes the chromosphere normally invisible and it can only be seen during a total eclipse, where its reddish color is revealed.
Magic, in Velgarth, refers to the ability to use a normally invisible form of energy to produce fantastic results.
These trails allow observation of the blast's normally invisible shock wave in the moments following the explosion.
Rocket's inertia field is normally invisible to the human eye.