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13.1k posts
 
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Q&A Alternate "smart home" control

In real life, "open mike" terminals are becoming popular, that listen for commands addressed to them and answer questions, perform online actions, or operate compatible smart-home controllers or an...

4 answers  ·  posted 7y ago by JDługosz‭  ·  last activity 7y ago by JDługosz‭

Question technology
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Q&A Pressure suit design that would allow a low pressure-adapted being to survive on Earth?

I have read questions such as these two about aliens adapted to environments with high atmospheric pressure experiencing negative effects when exposed to Earth's comparatively low atmospheric press...

5 answers  ·  posted 7y ago by undine_centimeter‭  ·  last activity 7y ago by undine_centimeter‭

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Q&A Can the Iceworld civilization feed itself?

I have a world which is (nearly) a single-biome planet; it is mostly covered in shallow, ice-choked seas. There are few continents, but many archipelagos. Think northern Canada or Alaska as this ...

6 answers  ·  posted 7y ago by akaioi‭  ·  last activity 7y ago by akaioi‭

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Q&A Would the sub races of elves really evolve?

Elves have a long life and in most settings, they only have children after a century or two. Would sub races like, drow and aquatic elves really evolve without any magic intervening? Considering ...

4 answers  ·  posted 7y ago by Henrique César Madeira‭  ·  last activity 7y ago by Henrique César Madeira‭

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Q&A Feasibility of a pill with the opposite effect of birth control?

Could a pill be made that instead of preventing pregnancy induces a successful pregnancy after sexual intercourse? This article seems to answer my question and is what inspired it, but I'm not 100%...

3 answers  ·  posted 7y ago by user73829‭  ·  last activity 7y ago by user73829‭

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Q&A What gases are made by a live, crackling, exposed electrical wire?

Are gases altered by live electricity, such as might be found along a humming electric fence? They could be formed directly or indirectly through effects on EM field, ionization, or hydrolysis - My...

5 answers  ·  posted 7y ago by DPT‭  ·  last activity 7y ago by DPT‭

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Q&A Can we harvest some of the energy from hurricanes to provide an electricity resource?

http://www.smithsonianmag.com/innovation/can-we-capture-energy-hurricane-180960750/ from this article... "The wind from just one storm is a gold mine of clean energy." "The energy output from the ...

2 answers  ·  posted 7y ago by nareshneel‭  ·  last activity 7y ago by nareshneel‭

Question energy
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Q&A What circumstances would cause a 10 year cycle of shipments from Earth to another planet

Looking into fleshing out my world story. One of the things I had in mind was an infrequent but consistent shipment of supplies to a planet from Earth. For simplicities sake, we'll use 10 as the nu...

18 answers  ·  posted 7y ago by Premier Bromanov‭  ·  last activity 6y ago by Premier Bromanov‭

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Q&A What would the night sky look like from Luna (Earth's moon)?

Prima walked out to the observatory's main deck. There, as she had expected, Secunda was sitting in the grass, looking up at the stars. "Pretty, isn't it?" said Secunda, as she craned her n...

4 answers  ·  posted 7y ago by Corbin‭  ·  last activity 7y ago by Corbin‭

Question astronomy moons earth
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Q&A Reasons why air travel isn't feasible, but ground travel is?

My story takes place on an Earth-like, inhabited world that is far larger than Earth, has roughly 110% of Earth's gravity, and has unusually high (and generally unexplained) EM emissions permeating...

21 answers  ·  posted 7y ago by Brian Lacy‭  ·  last activity 6y ago by Brian Lacy‭

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Q&A Terraforming Mars, Hellas Planitia with comets at Mars L1

Using comets at Mars L1 point, allowing the tail to constantly add to the atmosphere in both volatiles and increased temperature from the infalling matter, as well as blocking the solar wind which ...

2 answers  ·  posted 7y ago by Brooks Nelson‭  ·  last activity 6y ago by Brooks Nelson‭

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Q&A High-Functioning Autists as Space Colonists

In commentaries to my other question @JustinThyme suggested that high-functioning autists could be the best space colonists: A great deal of very successful scientists ARE autistic. Einstein, f...

6 answers  ·  posted 7y ago by Olga‭  ·  last activity 7y ago by Olga‭

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Q&A What would cause the temporary migration of a carnivore avian species, normally inhabiting a temperate to tropical region, to a much colder one

What would cause the temporary migration of a carnivore/scavenger avian species, normally inhabiting a temperate to tropical region, to a much colder one. It's a seasonal migration, but also a r...

3 answers  ·  posted 7y ago by shieldedtulip‭  ·  last activity 7y ago by shieldedtulip‭

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Q&A Chloroplast organelle in human

Could a human's DNA be altered so that in every skin cell they would have a chloroplast organelle? How would this affect the rest of the body?

3 answers  ·  posted 7y ago by Etanos24‭  ·  last activity 7y ago by Etanos24‭

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Q&A What conditions would cause electricity to create carbon monoxide?

I've been mulling whether the local gaseous makeup of air is changed by electricity running along a wire. My previous question is on hold, and this one is different anyway. I couldn't find exactl...

3 answers  ·  posted 7y ago by DPT‭  ·  last activity 7y ago by DPT‭

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Q&A Real-world technologies to provide better safety to spaceship passengers

Is there any real technology, experimental or conceptual, that can prolong a person's survivability in outer space in case of sudden life support failure? Something that is also easy to wear or imp...

2 answers  ·  posted 7y ago by M Arif Rahman Winandar‭  ·  last activity 7y ago by M Arif Rahman Winandar‭

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Q&A Diet on a Large Igneous Province

A large igneous province is a very large area that has been covered in igneous stone due to some catastrophically large volcanic even or something similar. In my story, a large, futuristic, city h...

6 answers  ·  posted 7y ago by Khail‭  ·  last activity 7y ago by Khail‭

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Q&A Silicon based life in Earth-like condition?

Bamboo, horsetail and many grasses incorporate silicates into their tissues to protect themselves from grazers. Diatoms use it to build a glassy outer shell. Carbon is still the choice for metaboli...

2 answers  ·  posted 7y ago by Christmas Snow‭  ·  last activity 7y ago by Christmas Snow‭

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Q&A How could the earth produce more oxygen?

After the extinction of all humans and most large animals, what would be the most plausible explanation for arthropods to grow much larger like during the Carboniferous period? Then, the oxygen wa...

5 answers  ·  posted 7y ago by Dibran Joe‭  ·  last activity 6y ago by Dibran Joe‭

Question biology evolution
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Q&A Can clouds act as camoflage and will there be atmospheric skid marks from "braking"?

In this scenario, light-bending camouflage is already in use to prevent civilians from seeing any spacecraft as they enter the atmosphere. The question is whether it is realistic to visualize this...

1 answer  ·  posted 7y ago by N2ition‭  ·  last activity 7y ago by N2ition‭

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Q&A Surviving on a planet with an eccentric orbit

I have this planet that's 1.8 times the size of Earth on an eccentric orbit around a star that's 0.2 times the size of the sun. Its apses often change due to the influence of a neighboring gas gia...

1 answer  ·  posted 7y ago by JPrescott‭  ·  last activity 7y ago by JPrescott‭

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Q&A A continent formed entirely by volcanism, possible or not?

Could a continent roughly the size of Europe, Africa and North-America combined be formed almost entirely due to volcanic action? Something with a similar formation to this. From a chain of vol...

5 answers  ·  posted 7y ago by shieldedtulip‭  ·  last activity 7y ago by shieldedtulip‭

Question geology
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Q&A Alternatives to radiators for spaceships

I'm doing research for a space opera with some hard sci-fi elements. One faction does use radiators (dusty plasma particles held in magnetic fields- which would create the effect of glowing wings o...

14 answers  ·  posted 7y ago by JTriptych‭  ·  last activity 6y ago by JTriptych‭

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Q&A Why are escape pods used instead of transporters whenever an alarm sounds to abandon the ship?

An interstellar spaceship carrying a thousand personnel was attacked by a group of space pirates while crossing the nebula. The nearest habitable planet is several light-hours away. Help will onl...

23 answers  ·  posted 7y ago by user6760‭  ·  last activity 7y ago by user6760‭

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Q&A Earthborn Inferiority

I fear this may be too broad, but I am looking for reasons earthborn humans would be considered inferior to those born on various space colonies. For example, it is important to reference the disti...

24 answers  ·  posted 7y ago by A.G. Weyland‭  ·  last activity 6y ago by A.G. Weyland‭