Inside Nasa’s vision of the future from 47 YEARS ago with humans living in bizarre ‘space tube’

ONCE upon a time, Nasa believed we would one day end up living in giant inflatable space doughnuts. The U.S. space agency designed a wheel-shaped habitat almost five decades ago that would house up to 140,000 residents. 2 Nasa cooked up plans for a doughnut-shaped space habitat in 1975 Credit: Nasa/Rick Guidice In the early 1970s, Nasa was at a crossroads having shut the Apollo programme down and landed astronauts on the Moon. Scientists were on the hunt for the next space exploration milestone, with some targeting Mars and others exploring space colonies. In 1975, Nasa explored possible designs for… Read Full Article