Hugo Gernsback, a prolific inventor and publisher, designed the Isolator to create a near-perfect environment for concentration. His first model, made of solid wood lined with cork, blocked about 75% of noise. He refined it using layers of cotton and felt with an air gap, boosting its efficiency to 90-95%. However, testers reported getting sleepy after roughly 15 minutes, likely from CO2 buildup in the enclosed space. Gernsback's solution was to attach a small oxygen tank, feeding air directly t

It’s the roaring twenties. And in science fiction, as in world affairs, America is about to take center stage. Let's take a look at the birth of pulp sci fi! Watch on YouTube: https://www.youtube.com/watch?v=2CnS-ZNvRDs | Extra History

Son nom ne vous évoque peut-être qu'un vague souvenir d'école, pourtant, on doit beaucoup au Luxembourgeois Hugo Gernsback. http://5minutes.rtl.lu/culture/laune/1077932.html | RTL Infos