The Resistance of a Cow
Radiolab
The 500-Ohm Cow Standard
Hosts introduce electrical basics and the historical 500-ohm resistance standard used to judge cows' sensitivity.
There’s something rotten in the cows of Denmark. And Minnesota. And Wisconsin. And Idaho. What could cause a previously thriving herd of majestic dairy cattle to stop drinking water and start drinking … urine? A Danish farmer calls a special investigator, who takes one look at his farm and nopes the heck out of there, refusing to return, citing “bad energy” coming from something nearby … a big building covered in Viking runes.
It’s not magic. It’s an invisible force that’s far more common. And yet deeply mysterious.
This episode plunges producers Matt Kielty and Simon Adler knee-deep in a decades-old dairy farm controversy, rooted in a fundamental suspicion of the invisible streams of electrons that keep our world humming.
Special thanks to Dr. Liz Brock
EPISODE CREDITS:
Reported by - Matt Kielty and Simon Adler
with help from - Clara Grunnet and Rebecca Rand
Produced by - Matt Kielty
with help from - Maria Paz Gutierrez
Original music from - Jeremy Bloom and Matt Kielty
Sound design contributed by - Jeremy Bloom
Mixed by - Jeremy Bloom
Fact-checking by - Angely Mercado and Sophie Samiee
and Edited by - Pat Walters
EPISODE CITATIONS:
Books -
- The Great Energy Transition: America from 1876 to 1929 (https://zpr.io/3PStsDgidpj5), by David Nye
- Powering American Farms: The Overlooked Origins of Rural Electrification (https://zpr.io/GdQ4pMCy4DAV), by Richard Hirsch
- Beyond the Barn – Dodging Cow Patties for 50 Years by a Country Vet (https://zpr.io/S8qS9HLEQBJe), by Don Sanders a memoir about his long career.
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