Open Culture (Official) on Nostr: The Isolator: A 1925 Helmet Designed to Eliminate Distractions & Increase ...

The Isolator: A 1925 Helmet Designed to Eliminate Distractions & Increase Productivity (Created by SciFi Pioneer Hugo Gernsback)

https://www.openculture.com/2021/05/the-isolator-a-1925-helmet-designed-to-eliminate-distractions.html