SOUND
amplification:
coves on Sea of Galilee: w88 6/15 24-26
sounding vases of bronze: w88 11/1 14
decibels: g02 5/22 20
electronic device to neutralize noise: g88 3/22 30
how ears detect source: g 5/11 6
infrasound used by elephants: g97 12/22 29; g87 6/8 31
in womb:
babies calmed by womb sounds: g88 3/8 29
external sounds: g89 6/22 28; g89 10/22 31; g87 8/8 30
speed in air revised: g86 9/22 31
synthesizer capabilities: g89 10/8 14-15
thunder: g89 5/22 17-18
ultrasound imaging: g 11/08 14
portraits of unborn: g04 10/8 29
use in bone-fracture diagnosis: g87 6/8 29-30