i think you have mistreated your child
The sound you hear when you crack your knuckles is actually the sound of carbon dioxide gas bubbles bursting.http://en.wikipedia.org/wiki/Knuckle_cracking
The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
The bones in your body don't actually crack when you move. The sound you hear is actually the sound of the gases in the synovial fluid escaping the sac around the joint.
My dog got run over took it to the vet, he thought she had a broken back but nothing appeared on xray, but still can hear a crack there, what to do?
They sound like babies crying. We hear them every night in the summer and they sound just like a newborn baby crying.
The sharp crack you hear from thunder when it is close it the electricity in the air.
People use sound waves in ultrasound scans when women are pregnant. You can hear the noises the baby is making and the sound is through sound waves
You hear an echo
Tiny bubbles of gas, which is made of nitrgen and oxigen build up in the joints. It is these you hear popping to make the cracking sound.
Siren Horn Music Screaming Baby
Of course. The baby will hear it and maybe be a bit startled, but it will be muffled compared to what you and I are hearing. All noises startle a baby. It will not hurt the baby.
Your bones There are gases that build up between your vertebrae. When you "pop" your back the noise you hear is the gases being released.