Nuclear Hoagie
  • Member for 6 years, 9 months
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Why would nature spirits be naked?
154 votes

Bears don't wear pants. Squirrels don't wear shirts. The trees don't wear hats. Why would a physical embodiment of the natural world wear clothes? Clothes are a construct of human society, and spirits ...

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Why wouldn't dragon-hide make me fire-resistant?
88 votes

Human-sized garments aren't big enough to be effective heat sinks. Dragons are much larger than humans. By the square-cube law, a dragon that's roughly 5 times the length of a human will have about ...

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"Slow" teleportation
78 votes

You have solved food preservation Who needs a clunky old refrigerator that only slows the rotting and decay of fresh food? Just make it so your food doesn't experience time! Meet the new tele-...

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If every star in the universe except the Sun were destroyed, would we die?
72 votes

We wouldn't even notice for several years. The closest star to us (aside from the Sun) is Alpha Centauri, which is just over 4 light-years away. That means that whenever we look at Alpha Centauri ...

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How would I coordinate meetings with people on Mars?
Accepted answer
46 votes

The same way we do now. I work for a multinational company, with colleagues distributed across a dozen time zones. When I need to schedule a meeting with many people, I simply open Outlook, and look ...

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Why would people reject a god's purely beneficial blessing?
39 votes

If something seems too good to be true, it probably is. Reading through the benefits of the blessing, it struck me that it's pretty similar to spam ads you might find on the internet - Cure all your ...

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How would one get a small moon spinning?
Accepted answer
36 votes

Reality check: This will tear the moon apart. You have a big problem - if your moon is rotating so fast that centrifugal force overcomes gravity, there is no net force holding your moon together. When ...

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Why does the Conjoined Alliance of Space Travellers keep producing red uniforms?
36 votes

Red shirts reduce casualties for non-red shirts Perhaps red is the universal "kill me" color. Maybe the red dye is a space mutant pheromone. Perhaps the material is a magnet for phaser beams. Not ...

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A subset of humanity is immortal, how do I stop them from financially dominating?
35 votes

Wealth tax In your setting, a wealth tax has been enacted, which is based on the net value of a person's assets. It could be a progressive tax, even climbing to 100% beyond a certain point - this ...

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A solar system where a planet is in the center?
33 votes

What you are describing is a rogue planet with moons. This is a planet that does not orbit any star, either having been ejected from its original solar system, or never having belonged to a solar ...

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How can I test to find the continent's "best" young mages?
Accepted answer
33 votes

Make dungeoneering a sport Professional sports is an existing, effective model for finding the best of the best and making them even better. Start the National Mages League, which is a televised ...

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How can a magic-less cauldron speed up the process of a witches' brew?
25 votes

Power is proportional to brewing time, but only to the capacity of the cauldron. It's not that a newer cauldron can make the same potion faster, it can make a weaker potion faster. This is because a ...

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Corporate Security in a world with superpowers
Accepted answer
23 votes

Nothing at all. The low prevalence and diversity of useful powers means it is not worthwhile to implement highly specific security measures. A high fence won't stop people who can fly, password-...

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2 elbowed forelimbs: advantageous or detrimental?
Accepted answer
22 votes

An extra arm joint does not improve mobility. The human arm has 7 degrees of freedom (axes of rotation) - we have 3 in the shoulder, 1 in the elbow, and 3 more in the wrist. This allows us to put our ...

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Making the Moon brighter with talcum powder - how much brighter could it be?
21 votes

The moon's albedo is around 0.1, meaning it reflects about 10% of the sunlight that hits it, for a peak illuminance of a few tenths of a lux (sources on albedo and lux). Even if the moon were a ...

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A clothing material or other method to slow free-fall descent down walls
20 votes

Gummy rollers This system relies on a sticky substance like tar or glue that could be used to slow a descent. I'm imagining something like paint rollers on the hands and feet, which would either be ...

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How could a self contained organic body propel itself in space
20 votes

I'll just go for the bonus points about rotation. As long as the organism can change its shape, it's perfectly possible for it to rotate freely while maintaining net zero angular momentum throughout ...

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What could substitute coffee in a modern post-apocalyptic society?
19 votes

Synthetic caffeine was first developed during WWII precisely due to shortages in supply of naturally caffeinated products like coffee. Today, synthetic caffeine is cheaper than sourcing it naturally, ...

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Why put a big rock into orbit around Ceres?
18 votes

Space elevator counterweight A tensile space elevator requires a large counterweight at the far end of the cable, which is what holds the cable taut and upright. A captured asteroid could feasibly ...

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Why would there be any use for sea shanties in space?
17 votes

Timing and rhythm Songs can be useful for (imprecisely) measuring lengths of time, either through the length of the entire song, or through its tempo. Planetside, there are a number of song-based ...

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Why is this less profitable for an adventurer to craft and then sell an artefact, rather than to sell ingredients needed to craft the artefact?
16 votes

The MC isn't the best at crafting and pays the price of opportunity cost. I'm not a painter. I can take a bunch of expensive paints and craft a terrible painting, and it will be worth less than the ...

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What's the best place to open a vortex
16 votes

Canada Some 80% of Canadian land is uninhabited. 90% of Canadians live within 100 miles of the US border. Among countries, Canada ranks #2 in terms of land area, but #185 in terms of population ...

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Why would my Dwarves decide that the Platonic solids are divine?
15 votes

What you're describing sounds similar to Pythagoreanism. The ancient Greek philospher Pythagoras founded a school of philosophy that studied, among other things, mathematics and geometry, intertwining ...

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Earth is accelerated out of the solar system - do we keep the Moon?
11 votes

Goodbye, moon! The moon's centripetal acceleration is always pointed at the earth, and has a value of just 0.0027 m/s^2. If you accelerate the earth in the opposite direction at 0.025g (0.245 m/s^2), ...

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Will this stealthy ship work?
11 votes

You can't hide in space. Any space ship will produce waste heat, which has to be radiated into space, or else you'll cook the crew. This waste heat is very easy to pick out among the cold blackness of ...

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Is there any other ways to represent a star chart that is not the classic bright dots on a black field?
11 votes

There isn't any mapping from 3D to 2D that will preserve pairwise distances between all points. Using time as a measure doesn't fundamentally change anything about the problem, since instead of "...

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Capacity of a children's playground
10 votes

40,000 square feet for 24 children amounts to almost 1700 square feet of space per child - that's the footprint of a modestly sized house for each child! This should be plenty of space for activities ...

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What would be their physical limitation if human could fly?
Accepted answer
10 votes

Temperature: As altitude increases, temperature decreases, by about 2 degrees C per 1000 feet above sea level. Temperatures will dip below freezing at around 7,500 feet up, so you'd probably want to ...

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What is the realistic approach for a person from modern age to build a modern weapon factory in the Bronze Age?
10 votes

Just bring the guns with you. As you point out, this group of people needs a limited number of guns for personal protection, rather than trying to outfit an army. There is simply no point in spending ...

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Taxing the superhero industry
10 votes

Most taxes fall into just a few categories: income tax, consumption tax, property tax, estate tax, or capital gains tax. Some of these are unsuitable because they would either tax heroes too directly ...

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