Even light can no longer escape a black hole.
Also, it had to be made sure light would not escape the house through the windows, so the latter were carefully covered.
This is the first modern picture of a black hole, a body with a gravitational field so strong that light cannot escape from it.
Thus if light cannot escape, neither can anything else; everything is dragged back by the gravitational field.
Even time and light cannot escape once trapped in the black hole.
We see nothing ahead of us because no light can escape the singularity from that direction.
It represents the point past which light can no longer escape the gravitational field.
No light escaped around the edges of the oak door, making her question whether the general was still at home.
Bright light escaped outside, splintering into my eyes for a second.
A field of such force can be generated that light does not escape.