infrasound

In both cases he found high levels of infrasound present.

On the wall behind her, he noticed an infrasound panel.

Infrasound is a type of sound with a frequency lower than humans can hear.

They kept the infrasound turned on for twelve hours.

At the moment we know little about the realm of infrasound and how animals exploit it.

However, the example of paradoxical melody above contains no infrasound!

He concluded it was infrasound and soon got to work preparing tests in the labs.

Infrasound may also allow them to predict the weather.

It seemed to Bradley that he should feel the wave of infrasound spreading out from them.

Male alligators are also known to use infrasound during their mating behavior.

He was best known for his research into the relationship between infrasound and ghostly apparitions.

One study has suggested that infrasound may cause feelings of awe or fear in humans.

From this Tandy stumbled upon the idea that infrasound might be present in the laboratory.

This time the researchers were equipped with a tape recorder that picked up infrasound.

To be infrasound, we could not detect it.

The infrasound was found to have come from a newly installed extractor fan.

Since pigeons' ears are not exceptional, it is likely that many birds can pick up infrasound.

Their accurate predictions may be based on infrasound.

These waves can make vibration, sound, ultrasound and infrasound.

In order to use infrasound for navigation, it is necessary to be able to localize the source of the sounds.

Not only are some birds known to detect infrasound, but one species has been shown to produce infrasonic calls.

Infrasound is characterized by an ability to cover long distances and get around obstacles with little dissipation.

Smaller scale explosions generate waves of higher frequency, classified as infrasound.

The data are still being analyzed, but thus far they suggest that the animals sometimes coordinate their movements over long distances, possibly using infrasound.

The most intriguing possibility is that infrasound may be used by migrating birds as an aid to navigation.