Posts by vsz
Antimatter annihilation is the best source of energy per weight. However, antimatter is not readily available anywhere within reachable distance, it's insanely difficult to produce and contain. Ho...
In 1869 a giant space gun was built, with the intent of firing a projectile at the Moon, just to prove that they can do it. Of course, the ludicrous idea to put people inside it was never even take...
A common topic in alternate history fiction works is the question what would have happened if a major war had been won by the other side. These usually focus on the events after the war, and the ch...
Assume in the very near future almost all rail transportation would return to steam-powered locomotives. To define it exactly, I mean solid fuel is burned inside the locomotive, which boils water, ...
By active night-vision I mean that it emits light in a wavelength other animals can't see, but it can perceive that wavelength, so it can see even in zero-light conditions. Being able to emit lig...
If the immune system of a healthy human just shut down completely and instantly (magic, nanotechnology, whatever), and after a certain time period it went back to normal, how much time without the ...
The Breakthrough Starshot is a method of robotic interstellar exploration by launching thousands of small centimeter-sized probes, each equipped with a 4 x 4 meter light-sail. Thanks to their small...
