New answers tagged

0 votes

Can we accelerate Antarctica's post-glacial rebound?

Make crust more buoyant. I am recycling the germ of this answer from here. Recycling is good for the earth. How to Renew Old Mountain Ranges The mountains become lighter, and float higher. In our ...
user avatar
  • 273k
2 votes
Accepted

How much energy I would require to make a piston to move as fast as human muscle?

Energy isn't your problem. A tiny votive candle has enough chemical energy to blow up your house, if you could magically convert it all into mechanical work all at once. Mechanical power is the ...
user avatar
  • 214
0 votes

Can we have a mycelium tech-tree?

Have you ever heard of the Yuuzhan Vong from Star Wars? They had an entirely organic tech tree, so maybe take some of their ideas (amphistaffs for weapons and door membranes?). Additionally, it’s your ...
user avatar
1 vote

What are some lesser-known sustainable technologies suitable for a solarpunk civilization?

Biofuel https://www.forbes.com/sites/nishandegnarain/2020/07/29/ocean-crops-is-this-the-next-frontier-for-agriculture/?sh=2bbd9a1b5c95 In your solarpunk world, reed canarygrass has been engineered to ...
user avatar
  • 273k
3 votes

Can we have a mycelium tech-tree?

Drugs. Maybe Houses Too. The only example that comes to mind is how Penicillin is produced by a fungus. It is believable that other funguses could be genetically modified to produce other useful drugs....
user avatar
  • 38.6k
7 votes

How do we tell a biosphere has been tampered with?

Look for the same patterns of workmanship in the genome of different species. If the same genetic engineer manipulated different species, the genetic engineer might have done it the same way. Say that ...
user avatar
  • 97.4k
0 votes

How do we tell a biosphere has been tampered with?

Trace amounts of XXX Subtle genetic manipulations can be detected by scanning for substances that do not otherwise occur on the planet. For example gold molecules or new isotopes of carbon that occur ...
user avatar
  • 38.6k
7 votes

How do we tell a biosphere has been tampered with?

You will end up finding species which have no reason to be there if one would follow only the historical evolution of the biosphere. For example pigs or goats present on the atolls in the Pacific ...
user avatar
  • 238k
0 votes

Why would a more technologically advanced society continue to build many buildings out of stone rather than glass and metal?

Your aliens don't like to be too crowded. Modern (human) buildings go to glass and metal because this allows taller buildings, packing more people/space into a given land footprint. As long as nobody ...
user avatar
0 votes

Why would a more technologically advanced society continue to build many buildings out of stone rather than glass and metal?

They dig. Well. The sonic disintegrator is a simple device which produces and monitors sound. It is able to project a sharply focused "wire" of sound anywhere in a mass of rock, shearing ...
user avatar
  • 19.1k
0 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

If one can outrun bullets, their body would be so strong that they wouldn't need to. As others pointed out, faster bullets could solve this problem. But, there are other weapons that could damage the ...
user avatar
3 votes

What are some lesser-known sustainable technologies suitable for a solarpunk civilization?

A reprint of an article about solar powered steam engine can be found here. The article describes an 1870s version. But solar concentration for high temperatures was used in Europe much earlier for ...
user avatar
  • 3,181
4 votes

What are some lesser-known sustainable technologies suitable for a solarpunk civilization?

Most water-related technology fits this category. Hydraulic machines, hydropower plants, and a transportation system based on canals and boats rather than streets and cars, to name a few. Hydraulic ...
user avatar
  • 157
0 votes

What kind of engine could the 14-15th century world create?

in the 1300s the only sources of power that could be mobile were people and animals. Using animals on ships was almost never done because it was wildly impractical to have treadmills taking up needed ...
user avatar
  • 332
2 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

The simple answer is that somebody would build a better gun. For example, they would switch to a scattershot weapon that put out a wall of fire to large to easily avoid, or they would use a gun with a ...
user avatar
26 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

It'd change less than you'd think. Bullets aren't the only kind of weapon out there, and there are plenty of weapons designed explicitly to be hard to miss with. Volume-of-fire would be king. Contrary ...
user avatar
  • 10.3k
6 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

Chances are the development of laser weapons would be ramped up. Youve got a few years before we figure it out, but once practical man-portable lasers are built, these super soldiers wouldn't be so ...
user avatar
  • 533
16 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

Who Needs Guns? A gun is a machine that uses chemical energy to accelerate a projectile to (usually) above the speed of sound. When this projectile hits a target, it transfers that energy to the ...
user avatar
  • 1,166
10 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

They never saw it coming: Just because your people are a lot faster doesn't mean they think faster or sound travels faster. A lot of the same weapons would still be used - they would just go through ...
user avatar
  • 52.3k
7 votes

If all humans of this era suddenly became fast enough to dodge bullets, how would this change the military's choice of weaponry?

Different guns have different bullet speeds. BB guns are the slowest, comparable to paintball shots. Most guns nowadays however shoot bullets that come out of the barrel faster than sound. If everyone ...
user avatar
0 votes

How can civlization industrialize amidst a zombie outbreak?

Going Underground It may help an advanced civilization to go underground to quarantine against zombie infection. Technology will develop because they will be living and working in modified mines. ...
user avatar
0 votes

Static Floating Objects in Zero Gravity

Water filled cubes acting as momentum stabilisers ... and also gyroscopic stabiliser. If I size up the cubes in the scene right, they seem to be about 3m wide (I'm being a bit generous with the size ...
user avatar
  • 564
0 votes

How can civlization industrialize amidst a zombie outbreak?

it depend how big the zombie Outbreak. i mean if zombie infect animal ( like rat and crow biggest animal in city) or insect (like mosquito) , then human will perish. they must find a place far far ...
user avatar
  • 1
4 votes
Accepted

Static Floating Objects in Zero Gravity

Yes, you absolutely can use magnetic fields to do this. By manipulating the magnetic fields on the boundary of your construction zone using an array of electromagnets, you can create more or less ...
user avatar
  • 346
0 votes

Ways and reasons for AI and genetic engineering to be absent when cyborgs are commonplace?

Actually, there could be a religious reason for cyborgs but not AI or genetic engineering to be widespread. Both genetic engineering and AI (true, sapient AI) can both be seen as a way of creating new ...
user avatar
0 votes

Static Floating Objects in Zero Gravity

A high density core. These objects are way heavier than it seems and the player jumping off them would not give them enough momentum to move them.
user avatar
  • 2,379
3 votes

Static Floating Objects in Zero Gravity

Dynamic redistribution of internal mass for a more-than-rigid shell The "star" has to be heavy so as not to move around. But the weight is not distributed uniformly in the interior, nor in ...
user avatar
  • 19.1k
7 votes

Static Floating Objects in Zero Gravity

What if you just made them REALLY heavy to minimize movement from students? And reset their position at the end of each round? It would be less resistant against rotation but that is easily solved ...
user avatar
  • 8,042
7 votes

Static Floating Objects in Zero Gravity

Dynamic position keeping: you define a position for each object, give it a mean to check it and means to keep it against external influences, probably something similar to rockets. In this way when a ...
user avatar
  • 238k
0 votes

Ways and reasons for AI and genetic engineering to be absent when cyborgs are commonplace?

Supply and demand The main reason we don't currently have cyborgs is that they don't really fulfil a particular need (other than "look cool and sci-fi", which can be accomplished with ...
user avatar
  • 1,622
0 votes

Ways and reasons for AI and genetic engineering to be absent when cyborgs are commonplace?

1) Genetic Engineering and AI are actually harder than artificial limbs. We already have prosthetic limbs which can be attached to the stumps of severed limbs which can read the electrical signals ...
user avatar
  • 89
2 votes

How does a modern military defend against a guerrilla Army of wizards

I get a feeling you're conflating guerrilla warfare with ambush warfare. The former employs the latter, but it's not guerrilla warfare if the opponent isn't occupying the territory (for example, the ...
user avatar
2 votes

Ways and reasons for AI and genetic engineering to be absent when cyborgs are commonplace?

AI exists, but it is just clever tools What's called AI today are not computers or robots with genuine sentience. There are just algorithms sifting massive amounts of data without true understanding. ...
user avatar
  • 97.4k
0 votes

Ways and reasons for AI and genetic engineering to be absent when cyborgs are commonplace?

War. Your people have been at war with an existential threat. It might be others of their own kind, or an alien threat, or something even more unusual. They are hard pressed; the real deal. In ...
user avatar
  • 273k
1 vote

How can farming be used to gain energy that powers a crystal?

Mycorrhizal networks: https://en.m.wikipedia.org/wiki/Mycorrhizal_network A feature from real life that has seen more use in sci-fi in recent years such as the electrical network in Avatar and the ...
user avatar
  • 39.5k
5 votes

How can farming be used to gain energy that powers a crystal?

Dairy Farming Your game has the players be skeletons. Skeletons are made of bones. Bones need calcium. Calcium comes from milk which comes from cows. I want to add a farming mechanic You want farms ...
user avatar
  • 38.6k
1 vote

How can farming be used to gain energy that powers a crystal?

Biomass burner or bioconverter to energy is not a bad idea. Plants do not only have desired parts, depending on the plant, they also have leaves, roots, stems, etc... which can be used to convert to ...
user avatar
  • 7,023
3 votes

How can farming be used to gain energy that powers a crystal?

Tiberium crystals In the CnC Tiberium universe we can see a crystal that has some similarities. A quick talk about Tiberium crystals and what parts you can take from it. A Tiberium crystal is green. ...
user avatar
  • 27.3k
2 votes

How can farming be used to gain energy that powers a crystal?

Earth spirit The planet is a magical entity, and its hackles are up because some damn fool detonated a kind of nuclear crystal bomb recently. For its own safety, the Earth spirit has made the natural ...
user avatar
  • 7,167
5 votes

How can farming be used to gain energy that powers a crystal?

Offerings: Your energy is derived from chaos beings, so it's a hair's breath from magic. So how about agricultural products being an offering to elemental beings? All entropy leads to greater powers ...
user avatar
  • 52.3k
4 votes

How can farming be used to gain energy that powers a crystal?

Propolis. (AKA. Bee glue.) You say the crystals shattered, and were imbued with the essence of Elder, the element of chaos. They need to be re-balanced. Bees collect nectar and pollen from all the ...
user avatar
3 votes

How can farming be used to gain energy that powers a crystal?

Windmill The farmer could put a windmill and yield electricity, or heat, or mechanical energy, to power up the crystals. Biofuels Level 1: sugar and starch To power these crystals, you put the ...
user avatar
  • 12.1k
1 vote

How can civlization industrialize amidst a zombie outbreak?

Just England. Or your equivalent island full of tea drinking scientists and engineers. Because they manage to purge the zombies from their island with the St Patrick maneuver borrowed from the Irish (...
user avatar
  • 273k
2 votes

How can civlization industrialize amidst a zombie outbreak?

Zombies are a potential source of limitless labour If your zombies are physics busting creatures that seek brains, they can be harnessed to power devices. They can replace fuel sources like coal and ...
user avatar
  • 23.5k
1 vote

How can civlization industrialize amidst a zombie outbreak?

Industrial Revolution will be delayed When there is threat to survival, the first thing people will do is to save their lives. As told by Amadeus, in WW II, the entire country of USA started to ...
user avatar
  • 3,905
4 votes

How can civlization industrialize amidst a zombie outbreak?

Heck, the zombies might spur the industrialization, as a threat. Think of the zombies as a kind of predator. Early farming humans built walled villages and homes, primarily to protect themselves ...
user avatar
  • 28.7k
1 vote

Smart phones and claws?

An option I didn't see in the comments here is trimming the claw to the quick. This would work especially well for animals with bird claws or talons, as these typically have long quicks and thus, ...
user avatar
0 votes

How to Sneak Von Neumann Probes Past the Enemy?

Contact one of the primitive civilizations in their sector. Your civilization resides on Alpha Centauri, a hub of learning and reason. But just a few light years away is Earth, a backward and ...
user avatar
  • 19.1k
1 vote

How to Sneak Von Neumann Probes Past the Enemy?

Sneak in with other celestial bodies Detection is one step, identifying another. You want to reduce both as much as possible. Detection can be difficult to fool. Space is big, but it's also empty. Our ...
user avatar
  • 27.3k
1 vote

How to Sneak Von Neumann Probes Past the Enemy?

I suggest laser propulsion for the acceleration phase. The reason stealth is hard when accelerating is waste heat. Any method of propulsion will produce lots of it, and heat is easy to detect. However,...
user avatar
  • 3,315

Top 50 recent answers are included