SilverCookies‭

My space colonies are mainly located onto large, partialy terraformed moons in our solar system. They still travel using rockets but due to their vessels' large size they need very powerful propuls...

2 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

This creature is a waterdweller that somewhat resemble a fish. It lives in the retreating oceans of a planet orbiting a star that is reaching its red giant stage. The planet is now experiencing ver...

1 answer  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

These settlers live on a planet, which surface temperature and pressure are compatible with human life. However humans cannot breath its atmosphere. The gas in the atmosphere is not necessarily tox...

2 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

I have a super luxury space hotel. It has artificial gravity in the living and shopping area and 0g in some parts of the recreational area. There is a 0g pool available for the guests. I want it ...

13 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

A K2+ civilization wants to build a fission star, a huge mass of fissile material which doesn't collapse due to the radiation emitted by its fission decay. I know there are reactors like the aqueou...

3 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

These people inhabit an underwater city. In the city there are pools that connect the dry habitat with the outside ocean, this of course mean that the habitat is unpressurized and therefore the in...

2 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

"Your children will be born in a world of two suns. They will never know a sky without them. You can tell them that you remember when there was a pitch black sky with no bright star, and people fea...

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

Using only existing technologies, can we shoot 4-5 kg bullets into a stable, specific Low Earth Orbit (at least 1000 km)? The bullets don't contain "hardware" such as electronics, so acceleration ...

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

My human civilization is facing (much like us) the threat of anthropogenic climate change. For whatever reasons, they are unwilling to take action by reducing the use of fossil fuels and refuse to ...

6 answers  ·  posted 6y ago by SilverCookies‭  ·  last activity 6y ago by SilverCookies‭

Some areas of the evil meant lair are not for the eyes of the average minion. There is only one way in and out of this area, there is no door blocking the way, but a lava waterfall pouring from the...

8 answers  ·  posted 6y ago by SilverCookies‭  ·  last activity 6y ago by SilverCookies‭

An artificial endocrine gland is cultured in the lab and is to be inserted in a person. This gland functions by secreting special substances in the blood stream. It needs to be placed in a positi...

8 answers  ·  posted 5y ago by SilverCookies‭  ·  last activity 5y ago by SilverCookies‭

I am building a city in the sky; it floats thanks to hot air balloons and hydrogen. The main issue I have is how to make it grow, as this is not some kind of giant structure to start, it is a small...

4 answers  ·  posted 5y ago by SilverCookies‭  ·  last activity 5y ago by SilverCookies‭

I want to build a seastead in international waters that starts small. It has to be in the Atlantic, preferably in the northern hemisphere close to either the american or european continent. Due t...

1 answer  ·  posted 4y ago by SilverCookies‭  ·  last activity 4y ago by SilverCookies‭

In this world a secret society "farms" people with desired features (personality appearances etc.). They have ectogenesis of course; but they can't afford personnel to take care of the "products" u...

4 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭

Guests of this large space station enjoy Earth-like gravity (80-90% minimum). How? Well the space station is so massive it has its own gravity. The disk shaped "core" is made with ultradense mater...

6 answers  ·  posted 8y ago by SilverCookies‭  ·  last activity 8y ago by SilverCookies‭