Posts by Canina
TL;DR: "Scientifically correct" (according to current established science) and "faster-than-light travel" cannot be used in the same context without some form of negation. What you are asking for i...
I'm going to take the comment you posted on the question, because it is important. The story should not be driven or build around the technology. But I have the ambition to also not just handwa...
Fight fire with fire. Remember, the fire-breathing dragon breathes fire for some reason. Even if the dragon doesn't realize that it breathes fire, the ability almost certainly evolved together wit...
I don't think there is any inherent reason why a large number of "eyes" would necessarily have to imply the downsides of compound eyes. For an extreme example, you could consider each cone or rod ...
Picture a setting similar to that of many fantasy works: a relatively low level of technology among the general population, lots of manual labor, agriculture or hunter/gatherer society, and that mo...
There is a nocturnal mammal, about the size of a common red fox, which has evolved (by way of some unspecified-at-this-point selective pressure) the ability to see well in situations involving larg...
No, it will not, no matter the changes done while keeping it a F-22 Wikipedia gives the data for the F-22 as empty weight 19,700 kg and a maximum take-off weight (MTOW) of 38,000 kg. That gives a ...
Atmospheric pressure 0.20% of that on Earth's surface? Take a look at the phase diagram for water: 0.20% of 1 atmosphere pressure means about 2 millibar. At that pressure, liquid water cannot e...
In two words: absolutely yes. Cryptography, at its core, is not about computers at all. Sure; automated, programmable, electronic computers operating at about a gazillion instructions per millifor...
Let's go more with the scenario you are describing, than the question you start out by asking (which appears to be only peripherally related). Let's assume that a "pebble" is approximately 1 cm3 i...
For ultimate spread and mortality, you want something that has the following properties in combination: High probability of infection when somebody is exposed to the disease (highly infectious) H...
Actually, there is a network with properties similar to those that would likely be seen on an interplanetary version of the Internet. We can use it for comparison. It's called FidoNet. FidoNet us...
Suppose humans have developed the technology to travel between star systems. This might be some science-fiction method like warp drive, jump drive, peanut butter drive, hyperspace drive or whatever...
First off, plus/minus a few billion kilometers in any direction actually isn't that terrible, particularly if you have FTL and/or are already dealing with interstellar distances. For comparison, th...
Yes, you absolutely can have a moon orbiting within a ring system. In fact, we have a perfect example of that in our own solar system: Saturn's A ring has the Encke and Keeler gaps, wherein orbits ...
Like others have pointed out, such a computer already exists. Not only that, it looks like it was done long before electronic computers; take for example the water integrator, built in the Soviet U...
Like JDÅ‚ugosz wrote, what will cause problems in the scenario you describe isn't so much your orbit as the fact that you are within the gas giant's atmosphere. I'm going to use Jupiter here to ha...
Well, we did travel to the Moon with 1960s (and some even 1950s) technology. We also had reasonably detailed plans to use the same underlying technology to make a year-long Venus fly-by mission in ...
Setting: Western world nation, Earth as we know it, May 2016, Gregorian calendar. Eccentric billionaire, large multinational corporation or similar; lots of money, and ability to enlist the help of...
Not as commonly thought of, no. One of the things that we learn in orbital mechanics is that the planet orbits its star, not the other way around. More generally, the less massive body orbits the ...
Like AndreiROM points out, recognizing that there is a signal, and understanding the contents of the signal, are two completely different things. In fact, it's not even a given that the aliens wou...
In a world I am working on, I have a wilderness-living, social, group-living species that for various reasons lacks access and ability to anything resembling modern medicine, including vaccinations...
Most of the planets that we know of have a sidereal day (rotational period) that is shorter or on the same order of magnitude as their sidereal year (orbital period), the latter being the case in t...
For the TL;DR, see the bottom of the answer. See also What would it take to get a message to another star? on Space Exploration SE. We can approach answering this by considering how sensitive ou...
No, they will not be able to reach space. At least if we assume that our understanding of physics is correct. Since you do not state anything to the contrary, that's an assumption I am willing to m...
