Show Notes

Surviving without sound

Deafness. How loud is a fart? Cochlear implants. Alien defense engineering.

Cochlear implants

How cochlear implants differ from hearing aids. How a cochlear implant works. The difficulties of hearing loss.

Grain Entrapment

Ughhhhhhhhh. Compression and suffocation.


The strangeness of terrestrial echolocation. Frequency adaptations for different types of prey. Signal rate at different distances.

The creatures

Planetary orbit situations with extended periods of surface darkness. Extremophile armor development. Echolocation evolution. Space cat behaviour. Dinner Time ambulation.

Killing aliens

Feedback loops. Amplitude vs frequency and damaging the hearing apparatus.


  • A Quiet Place: iTunes | Amazon
  • BBC Radio 4 - In Our Time, Echolocation: BBC
  • Shooting Down a Lost Drone and why Dogs Tilt their Heads - Smarter Every Day: YouTube
  • aliens, 
  • cochlear implants, 
  • echolocation, 
  • hearing, 
  • science, 
  • science fiction, 
  • sound