The noise you hear when drinking from your Hydro Flask is likely caused by the air pressure inside the bottle equalizing with the outside air as you drink. This can create a popping or gurgling sound.
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No, clouds do not make noise.
No, light does not make noise when it travels through a vacuum.
Fans make noise because the motor inside them creates vibrations that produce sound waves. The movement of the blades and the air flow also contribute to the noise.
Yes, power lines can make a buzzing or humming noise due to the electricity flowing through them.
To make a loud noise with paper, you can crumple it up tightly and then quickly unfold it, creating a sharp snapping sound.