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As I mentioned initially in the comments: no. To the best of my knowledge, the mass of an object only affects how much energy is needed to get that object into a specific orbit. It doesn't affect t...
I agree with @Separatrix that the wooden part may be optional. From a pseudo-scientific point of view, staking the heart may be used to stop the vampire from regenerating. As cutting the head off...
Any scientific reason would have to be in the make up of wood itself: See The Chemistry of Wood. Perhaps because wood was living cells; something the cells produce; everything from sugars (like in...
Go backwards just a few small steps in our evolutionary tree, and you will encounter the primate sub-order strepsirrhini, consisting of lemurs, galagos, and lorises. These are perhaps not our fier...
The answer is, in short, Yes. Saturn, for example, has several ring moonlets and shepherd moons. Additionally, the Roche Limit varies depending on the size and composition of the satellite itself...
Building from scratch weather.gov gives three cases where lightning can suddenly become more intense or common in an area: "High instability" release: In this case, there is a large negative ver...
Yes, and after all, why not. Non-sentient animals have already some form of combat practice coded-in their genome or they learn in in their life (e.g., wolf who hunts in packs or lunge for the th...
I upvoted Dutch and did not think anything else was needed; but in response to commentary I will add on. Is Joe able to spot it? This is an unqualified YES. Amateurs spot new asteroids and com...
Most likely, yes. I wrote an answer here discussion how binary stars are born. The relevant part here is that there are several main theories for how binary stars form: Capture: In an interactio...
Preconditions Bank's The Algebraist and many other works feature galactic scale civilizations connected by wormhole networks, but with only relativistic (i.e. slow and expensive; possibly very slo...
Cut a road into the canyon walls. In order to build stuff on Mars, they are going to need a lot of heavy earth moving equipment. Simply start digging/mining along the edge of the canyon, and mak...
You cannot get there faster than light (from the perspective of the places you are traveling from and to, if they are [nearly] at rest with respect to each other (meaning even if they are both movi...
I will propose a novel, two-pronged scientific solution. [electrical, biological] Bear with me for the first part, I will explain! Part 1 Lots of natural chromium, lead and mercury, perhaps titan...
Behind a star or planet would be a good place; not in orbit but powered to remain behind it from the perspective of some other POV. However, any kind of "behind" implies a single direction or locat...
Let's make some assumptions: The moon is essentially spherical symmetric, with uniform density. There are no other gravitational effects from other celestial bodies. Denote the position of the ...
Well, to make a desert planet habitable, you will need oxygen, unless your 1870's cowboys live in domed towns, which seems incongruous. Humans need to breath oxygen! You will also need water (could...
If you have mercury; you have a lens: Put it in a dish and provide a low spin, it will form into a parabolic lens that focuses sunlight. Large lens = hot hot focal point. The dish can actually be j...
edit: The OP allows plants, but no trees. Actually this is reasonable; woody trunks may well be an evolutionary response to predation and trampling by early animals; the fact that many trees can su...
For science - just to see whether we can really do it or not Making an air filled habitat for normal humans is boring. That would probably work if your technology is on a level like the one you de...
I cannot answer for pointed ears specifically, but the shape of ears is known, in audio science, to have an impact on sounds reflected into the ear canal. See here, an excerpt is below (The pinna ...
Is it realistic - No. Very, very much no. Planets all form from the same disk, so having one moon be antimatter while everything else is regular matter is... not exactly plausible. There are a smal...
Presuming the worm-holes or "warp space" are obstacle free and danger does not increase with speed, then I think there is no reason whatsoever to travel at less than the maximum sustainable non-dam...
Natural Vaccination. Read about how Cowpox was used to vaccinate against Smallpox, this is our IRL first instance of vaccination against a disease. The word "vaccination," coined by Jenner in ...
In the realm of simple magic: Great White Shark patrols. The magic is to give the sharks a predisposition for patrolling the shore; they can go off to hunt for food, but the magic means they just ...
Without knowing why you want this, it's hard to give a proper answer. As Will mentioned, direct electric boiling is possible, and indirect condensation is also possible. It's incredibly inefficient...
