The isolator helmet: How Hugo Gernsback’s bizarre 1925 invention was designed to block 95% of sound and induce total concentration amongst workers and inventors
Published on: May 18, 2026, 3 p.m. | Source: Times of India
Science News: The strange invention called \"The Isolator\" was conceived by Hugo Gernsback, a prolific inventor and science-fiction writer, in 1925. More than seven .
