Episode 8: Everything About the Mysterious World of Sound

Episode 8: Everything About the Mysterious World of Sound


Trace here. I hate spiders. Don’t like the way they move or look, or…well, anything. And yet, they purr. I’m imagining eight legged cats and I feel the tiniest bit better.

 More science and two audio files of spiders purring



Rats Laughing

Great information that goes way more in depth than we did. Just want to hear the laughing? Got to 57 sec.

About the pioneer of this research, Dr. Panksepp:

Great article about laughter…and tickling rats Scientific American

Just how high pitched are they? High frequency rat laughter


Space Music

Dr. Craig Kletzing of the University of Idaho. Fedora not included in original image. We made it better.

Great article about Radio waves in earth’s atmosphere! Alien Birds!


Recording of Saturn radio emissions monitored by the Cassini spacecraft. The radio waves are closely related to the auroras near the poles of the planet. Time on this recording has been compressed, so that 73 seconds corresponds to 27 minutes. Document U.Iowa/RPWS Group

Stomach Gurgles

Youtube and all the tummy noises!

Image courtesy Web MD

How and when the stomach works:

The stomach will begin pumping in acid and enzymes

  • every 3 to 4 hours
  • when stimulated by the sight, smell or thought of food.

Great, detailed info on stomach functions and gurgles can be found at these links.





Old Fashioned Radio Show Sound Effects:

http://www.greatnorthernaudio.com/sfx_outline.html  College level course on how it’s done.

https://www.old-time.com/sfx.html  This is a wonderful, comprehensive article about radio show sound effects history and techniques written by Jack French.

Old Radio Show Sound Effects:

  • twisting cellophane (crackling fire),
  • squeezing a box of corn starch (footsteps in snow),
  • blow through a straw into water (boiling water),
  • rubbing dueling foils together (skating on ice),
  • pull wet cork from any bottle and then prick balloon (opening cham),
  • squeeze folded sandpaper (breaking eggs) and
  • rattle used flash bulbs in a can of water (cocktail shaker.)
  • run finger nail along edge of pocket comb (crickets),
  • shake 2 ft. length of inner tube, cut in inch-wide strips (wet dog shaking himself),
  • pull large can or bucket from tub of water (body falling into water),
  • snap open an umbrella (sudden ignition of fire),
  • twist knob of combination padlock (Geiger counter or dial of safe), and
  • drop handful of tiny pieces of sheet metal on board (breaking glass.)
  • Still other manual sound effects were:
  • squeezing seltzer bottles into pail (milking a cow),
  • shake stapled Dixie cup containing 6 to 8 BB’s (rattlesnake) t
  • wist new wallet near mike (getting in or out of saddle),
  • plunge knife into cabbage or melon (body being stabbed),
  • shake small chain attached to piece of leather (ox or horse harness),
  • drop metal washers (sound of coins), and
  • scratch rough paper with unbent paper clip (writing with pen)