See: SOUND, SPEED OF SOUND. Compare: ACOUSTIC RADIATION ... 25 dB/100 m for 30% relative humidity and 20°C (68°F). It should be noted, however, it can be as high as 5 dB/100 m at 8 kHz when the ...

No, science requires much more work watching Cosmos, as evidenced by [Ast]’s adventures in analyzing data to measure the speed of sound with a microcontroller. After [Ast] built a time to ...