5 sentences with 'imperceptible'

Example sentences and phrases with the word imperceptible and other words derived from it.

« In the ultrasound band, imperceptible to the human ear, there are battles as subtle and exciting as any contemporary aerial battle. »
« Studies in the United States, France and Germany revealed that the unconscious at all times picks up various sounds imperceptible to the human ear and that some of them, as well as certain words, are capable of generating a certain amount of energy in people. »
« Three groups of people were subjected to a rigorous examination of general culture and basic reasoning. In each room, different music was transmitted - at a frequency imperceptible to the common ear: soft, rhythmic and violent. »
« The experiments continued in France and Germany with clear conclusions: at any given moment, the unconscious picks up various sounds, imperceptible to the human ear, but not to some animals. »
« The first transformation, almost imperceptible because it was so slow and subtle, was that of the organic molecules of the primordial seas. After a long process of a billion years governed by pure chance, some of them ended up organising themselves as self-reproducing super-molecules. »
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