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Robert Rapplean's user avatar
Robert Rapplean's user avatar
Robert Rapplean's user avatar
Robert Rapplean
  • Member for 2 years, 2 months
  • Last seen this week
0 votes

How long would it take for a global resurfacing event to turn a habitable world into a Venusian world?

3 votes

Practical Combat Pipe

6 votes

Would you be able to look directly at the Sun if it were a red giant?

3 votes

Dwarves as silicon life forms

0 votes

Do you know any traditional non-electric Gold measuring devices?

24 votes
Accepted

Someone just nuked your very expensive ship. What is keeping your ship intact?

3 votes

Why would aliens use Kaiju to cause an apocalypse instead of more effective weapons?

1 vote

Could a Creature Evolve to have a BUILT IN terrarium/nursery

4 votes

Would the equatorial region on an alternative Earth spinning on two axes still be +/- 5° above the median "equator?"

3 votes

How would FTL travel based on tachyons most likely work?

15 votes

Why machine worlds?

1 vote

Can you have a planet as bright as Venus orbiting at 1.0 AU with no significant atmosphere?

1 vote

In a sci-fi setting with advanced medicine, how can people still have scars and other damages?

0 votes

Effectiveness and impact of hypersonic needles replacing supersonic bullets

7 votes

How would I pull off FTL travel in a universe where inter-universal travel is also widely used?

1 vote

Is it possible to have a hybrid gas/ice giant realistically? If so, what would it look like?

3 votes

How can the stars be wrong, so that an observer realises they're not in our world anymore?

6 votes

Speed of light in higher-dimensional space

4 votes

How close to a star could a dense asteroid belt reasonably form?

0 votes

Why isn't a magical obligate parasite living in a wizard library exterminated?

15 votes

is there any way to make firearms work in a fantasy setting alongside swords and armor and stuff?

3 votes

How can I penalize using accelerated time in Full Dive Virtual Reality?

4 votes

What would a glassed planet really look like?

2 votes

How quickly can a continent split and separate without an Extinction Level Event occuring

5 votes

Valid reason for not having plate armor in early medieval, low-magic fantasy setting?

3 votes

What is the most logical way to have my dragon breathe lightning?

4 votes

Would hip attached cybernetic legs result in atrophy of nearby tissue?

0 votes

Would a replicator plague be sufficient to destroy an advanced (interplanetary) civilization and leave very little evidence?

4 votes
Accepted

5km Portal above a Hot and Cold Climates, What happens to the weather of the area?

18 votes

Can CRISPR technology be used to create ‘super soldiers’?

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