Posts by Lok
Consider: A spacecraft is travelling between planets. It accelerates at a constant rate for the first half of the trip, and then decelerates on the other half. Throughout the journey, aside from ...
Consider a space opera sort of universe in which there exist communities of water-dwelling humanoids. These ocean people are derived from rootstock humans, descendants of genetically engineered hum...
This question considers the respiratory apparatus of an aquatic (or amphibious) species descended from engineered humans. The history of the species provides a relevant constraint. While the scien...
(This question is not about getting scrap metal out of orbit and recycling it: please see the second and third sections of the question text.) Consider an object which was not designed for, or ha...
