Sound Frequencies That Harm Humans?

Answer Frequency is the number of cycles per unit of time. The human ear is sensitive to certain frequencies. The volume of a sound is measured in decibels (dB), which is the force of sound waves against ... Read More »

Top Q&A For: Sound Frequencies That Harm Humans

How to Understand Sound Frequencies?

The frequency of a sound, or its pitch, allows humans and animals to decipher a sound with our ears--or with an animal's body for those that feel sound, such as a snake. While only a certain range ... Read More »

Frequencies of Sound Related to Lightwaves?

Sound and light have long been linked in the development of modern science. Both propagate, or travel, through the air in complex combinations of waves, which can be broken down into basic componen... Read More »

Why do Sound Reinforcement Subwoofers have such low excursion, but put out such high SPL at low frequencies?

The simple answer is that the larger the speaker's surface area, the shorter the excursion it need make to produce a really low note.

Bug Killers That Do Not Harm Humans or Dogs?

We all want our homes and gardens free from insects and other critters. However, if you're a dog owner, have children or are generally concerned about your health, using pesticides and other harmfu... Read More »