Kes shook her head, thinking of those people in that invisible bubble.
According to scientists, personal space involves not only the invisible bubble around the body, but all the senses.
She had never felt so alone, as if there was an invisible bubble around her, preventing anyone from getting close.
The dark shadows of the 2 enemy vessels seemed to hover inside an almost invisible bubble.
Sociologists talk about an invisible bubble that surrounds each one of us and keeps others at a comfortable distance.
Its presence burst like an invisible bubble; sunlight and vision rushed back over the ship.
Armstrong's security preceded him like the edge of an invisible bubble.
"There's something out there, a discontinuity, like somebody blew an invisible bubble and the Lincoln just ran into it."
Those rooms are inside an invisible bubble that is not exactly part of our universe.
First came the whispers, soft and distant, rising like invisible bubbles from the waters.