Sheath helps ‘aqua-hamster’ survive underwater
Excerpt from the November 7, 1964, issue of Science News Letter
DEEP BREATH Scientists hoped a membrane invented in 1964, and tested on an "aqua-hamster," would let submarines pull air from seawater.
Science News Letter, November 7, 1964
Membrane filters air — A wisp of synthetic membrane, only a thousandth of an inch thick, may hold the answer to a simple system for supplying submarines with air drawn from the water around them….