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Results tagged with science-based
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user 22207
For questions that require plausible (better than suspension-of-disbelief) answers based on Real World science that are not necessarily constrained to the known limits of Real World science. Contrast with the hard-science, science-fiction and internal-consistency tags. This tag may not be used alone. This tag may not be used with the science-fiction, hard-science, or internal-consistency tags.
4
votes
Tank-Fighting Alien
I can think of a couple of ways
Poisonous gas or spray that could cover a large area and was lethal to humans in minute quantities. The creature could hide upwind, emit it's poison and the tank would …
- 28.4k
6
votes
Accepted
With modern science and engineering, what is the tallest and thickest structurally sound wal...
Defensive walls are built on solid foundations. There is no engineering constraints on thickness beyond the availability of materials and the foundation to support the weight.
Height is the real limi …
- 28.4k
10
votes
How would plants develop and grow in a world where almost the entirety of the surface is stone?
Stone itself is not a barrier to plant life, plants can get their nutrients from what is in the water. You get shrubs that will grow on lava fields wherever they can get a grip.
But water is the key …
- 28.4k
2
votes
An epidemic kills all plant-life on Earth. What would happen to the fauna? Is there some rea...
Would the lack of oxygen eventually kill Earth's fauna? Or would a gradually fading out food production be the bottleneck?
The latter, oxygen would last a lot longer than food.
Your earliest one …
- 28.4k
4
votes
Quadrupedal species which can also walk bipedal and have hands
Your alien cannot be anything like human in terms of physiognomy. Humans are made for bipedal running, we cannot run on all fours at any sort of reasonable speed. So you'll have to look at what needs …
- 28.4k
2
votes
Polearm problem: how to give a chance to swords with a rock paper scissor situation?
Romans had an excellent tactic and they had short butchering swords and big shields.
They would throw pilum at the enemy to halt their charge and slaughter a bunch of them, and then advancing or stan …
- 28.4k
1
vote
Where would a body last the longest?
Leave out any time period and region that has head hunting or liked building pyramids of heads, even fresh corpses would be unusable.
Your best time would be Napoleonic era or similar with huge amoun …
- 28.4k
0
votes
How could an Earth-like planet of 1.5-2.0 Earth radii have similar gravity to Earth?
Gravity is about mass not size, so if the planet was made of less dense materials it would have less gravity in relation to it's size.
Easiest way would probably be to replace some of it's iron core …
- 28.4k
8
votes
Surviving in a blue whale's mouth
Is there some trick for surviving the pressure change and getting air within the whale?
No, no trick, you just die.
- 28.4k
4
votes
How to make this lightning strike real without technology or magic?
Sure it could. Electric eels emit electricity, all you need is something for the current to pass through.
A high enough discharge could go anywhere and I assume your dragon needs to aim, so it would n …
- 28.4k
3
votes
Accepted
Raised by wolves - maximize chance of success
It can't be done in the way of legends with babies being suckled by a wolf.
Wolves don't produce more milk than needed for their pups and they only lactate for about 3 months.
If the child was older i …
- 28.4k
2
votes
Reality check for egg laying humanoid
check if this conclusion is at least plausible.
Since it's aliens anything can happen, but this scenario is unlikely because you're positing too many cultural adaptations to a core biological need.
…
- 28.4k
1
vote
How might heat management in a large hab dome work?
Large scale solar cooling system like this one in Singapore. You could manage it fairly cheaply. You could cover the entire dome in solar collectors.
Then use the power to run refrigeration using wate …
- 28.4k
5
votes
How much clothing could one cut through with a chainsaw before it stalled, the chain broke, ...
The first piece of clothing he tried to cut would probably entangle his chainsaw and jam it. You'll still make a mess of a guy in a t-shirt, but you'll need to unjam it for the next.
If you just chop …
- 28.4k
1
vote
So, I was thinking a biological kinda ozone layer?
This won't work for one very simple reason (and a bunch of others). The deal breaker is that UV is inimical to life in your scenario. So you cannot use a lifeform to block it.
- 28.4k