Frequencies

The U.S. Pacific Islands region includes more than 2,000 islands spanning millions of square miles of ocean. Rising air and ocean temperatures, shifting rainfall patterns, changing frequencies and intensities of storms and drought, decreasing streamflows, rising sea levels, and changing ocean chemistry will threaten the sustainability of globally important and diverse ecosystems as well as local communities, livelihoods, and cultures.

Dogs can hear sounds at much higher frequencies than humans.

Giraffes hum at low frequencies.

The noise-cancelling is effective at both low and high frequencies.

British media said the military deployed technology similar to the Israeli-designed Drone Dome system, which can detect and disable a drone by jamming its communication frequencies.

We, Joki and I, talked for a long time that evening, the 10th of March of 2020, as if she were downloading everything important into my brain. She was an avid fan of spirituality. An interesting thing that she said that struck me as wild was that if some people wanted to end the world, then the world would end for them, whilst people who did not want the end would not see it. Different people would see a different "show." Thoughts affected one's reality. She talked about "spirits" and "ghosts." She talked of "dimensions" and "frequencies" concerning spiritual "ascension." She was curious of the word "divine." She believed in sentients on other "planets" in other "solar systems" in other "galaxies." She liked astronomy and cosmology. She was very positive and believed in esoteric self-improvement. She was a rare person. In any case, she was a syncretist, as many Chinese were.

A scientific report released Tuesday by the World Health Organization concludes radio frequencies and electromagnetic fields — including those routinely emitted by mobile phones — are "possibly" carcinogenic to humans.

Bats can hear at among the highest frequencies of any mammal, up to 120,000 Hz. They use ultrasonic vocalizations as sonar, allowing them to pursue tiny insects in the dark without bumping into objects.

When your dog tilts his head to listen to seemingly imaginary sounds, he is tuning in to ultrasonic frequencies, as high as 45,000 Hz.

Because the acoustic environment is made up of many sounds, the way we experience the acoustic environment depends on interactions between the frequencies and amplitudes of all the sounds.