Dialogue Origin: “When Will This Futuristic System Be Built?” “Ten Years After You’ve Stopped Laughing”

Arthur Kantrowitz? Gerard K. O’Neill? Timothy Leary? Arthur C. Clarke? Anonymous? Question for Quote Investigator: Grand futuristic projects such as the following four examples have been greeted with a mixture of hope, excitement, skepticism, and derision: (1) Laser propulsion systems for spacecraft(2) Space-based solar power systems(3) Space habitats with thousands or millions of people(4) Space …

Quote Origin: We Can Never Run Out of Energy or Matter. But We Can All Too Easily Run Out of Brains

Arthur C. Clarke? Gerard K. O’Neill? Apocryphal Question for Quote Investigator: The famous science fiction author Arthur C. Clarke was optimistic concerning the ability of human ingenuity to transcend current limitations. He believed that future technologies would overcome raw material shortages. The only constraint he feared was a lack of engaged human brains. Would you …