Comment by octaane

Science fiction beat the author of this article to the punch re: novel cooling solutions in space. The author proposes squirting oil from one arm, through open vacuum, to another arm - the oil droplets radiate the heat en route from arm 1 to arm 2. However, like most modern tech, science fiction writing has anticipated it. In the book Saturns Run (2015), by John Stanford and Ctien, their spaceship cools down it's megawatt nuclear reactor by using a eutectic metal as coolant, which runs as a molten ribbon through open vacuum from arm 1 to arm 2.