In some cases, it can even take individuals over one minute of constant flickers to determine the location of the change.
The constant shadowy flickers showed people hurrying past, and all sorts of loud noises echoed inside.
The leaves had just begun to turn, but some were already falling, a silent, constant flicker at the edge of vision.
Louis couldn't think of anything to do about that, or the sudden strange Kzin, or the constant flicker of dancing puppeteers in his peripheral vision.
A constant flicker of visions.
That constant, low-level flicker that subconsciously drives us all up the wall can be used to encode data, it seems.
Blue flashes and the constant flicker of lightning gave it a sinister appearance.
But after six more hours, even the radio beacon was drowned out by the constant flicker of Jovian lightning.
Nor could it remove the constant flicker in his arm, as of lightning, that had come from Cassivellaunos' sword.
There was a constant flicker from the pistol in Arne Olsndot's hand.