Linked Questions

4
votes
1answer
3k views

Would fantasy giants be possible due to the square-cube law? [duplicate]

I read here about just scaling up creatures and that it wouldn't be a good idea due to the square-cube law. It would increase the weight times 4 but only the bone structure by two. Are giants ...
3
votes
4answers
333 views

Possibility of a world inhabited by giant creatures and plants [duplicate]

Is it possible for such creatures/plants and planet to exist without magic? Assuming the creatures are sapient genetically engineered 30-40 meter tall species of various form: humanoids, snakes, ...
0
votes
3answers
115 views

What if peregrine falcons, albatross, and hummingbirds were all human-sized? [duplicate]

If peregrine falcons, albatross, and hummingbirds were all human-sized, but possessing their current biologies, would each of them still be able to fly as they normally would?
173
votes
18answers
64k views

How could dragons be explained without magic?

Dragons are a grand classic of fantasy. For this question, let's assume we're talking about the following stereotype: hatches from an ostrich-sized egg and can grow to mountain size if nothing limits ...
24
votes
7answers
4k views

Could mollusks become extremely large?

In a brand baby spanking new world I am building, appropriately named Escargard, punningly named by the AndyD273, mollusks have become the dominant form of life. Resulting in aliens similar to those ...
28
votes
9answers
9k views

How big could a living thing be?

Simply put is there an upper bound for the largest possible living creature in a scientifically rational world without incorporating anti-gravity, magic, the force, or other physical concepts we are ...
47
votes
3answers
6k views

How early was the Earth liveable for today's humans?

Say you were to drop a (bunch of) human(s) at some past era of our Earth. I'm assuming they might encounter a few problems such as the composition of the air not being breathable, the water being too ...
11
votes
8answers
3k views

How would I go about permanently increasing a human's speed, strength, and stamina? [closed]

What would be the best way to permanently increase a human's speed, strength, stamina, and durability? I'm looking to create a world in which the majority of humans realize how weak and feeble their ...
16
votes
6answers
4k views

What would be the tallest possible height for humanlike creatures in earthlike conditions?

This is about "giants" inhabiting a fictional earth-like planet somewhere in the Universe (like those in the movie Prometheus, for example). Assuming that all the conditions (temperature, gravity, ...
14
votes
4answers
4k views

Just how big can I make this dragon?

For over a thousand years, the dreaded dragon Lohebrand has roamed the plains of the east. His breath melts mountains, his shadow blots out the sun, the earth trembles beneath his talons – or so the ...
10
votes
6answers
952 views

How CAN we scale up living creatures to be giant sized?

Piggybacking on this question: Can you simply scale up animals? how CAN we scale up living creatures to be giant sized? What would need to done to make truly giant animals (Dragons, Kong, Godzilla, ...
18
votes
2answers
919 views

What basic principles should I keep in mind when scaling things up and down?

Making things bigger or smaller is common in speculative fiction (giant ants, tiny people, planets bigger than stars, and stars smaller than light bulbs.) What general principles should be kept in ...
10
votes
3answers
8k views

If the gravity was half as strong, how would the enviroment change? [closed]

If the gravity was half as strong, how would the enviroment change? Would all the plants grow differently? What change would there be in flying creatures?
28
votes
2answers
487 views

Physical speed of insectoid lifeforms

Would humanoid sized insectoid lifeforms be relatively slow considering that their exoskeleton would have to be rather heavy since it takes more 'armor' to get the same relative protection? Generally ...
9
votes
4answers
1k views

The Four-Winged Angel

One of the Stack Exchange's most popular topics is remaking mythological and fantastical creatures with realistic, believable anatomy. Usually, the answers go that for an angel's anatomy to be ...

15 30 50 per page