All music, from the loftiest oratorio to the most ... such as those of the flute and organj but the forms of sound waves are of endless variety, hence the different qualities of the sounds we ...

Sound waves can reflect off surfaces ... Chattering quietly in a library is noise, as is loud music played from a smart speaker on the beach, if it disturbs other users. When the sound level ...

Earth's magnetic field occasionally bursts into song — but these compositions are written with electromagnetic radiation, not sound waves. When converted to audio signals, though, these strange bursts ...

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