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Arvex's user avatar
Arvex's user avatar
Arvex
  • Member for 7 years, 8 months
  • Last seen more than a month ago
20 votes
15 answers
5k views

Would an evolutionary predecessor for winged quadrupeds start with four legs and gain wings? Or start with two legs and wings and gain extra legs?

18 votes
15 answers
6k views

How do I keep my futuristic racing hovercraft from becoming airplanes?

17 votes
9 answers
9k views

If it could be shaped, would chitin from giant insects make decent body armor?

14 votes
14 answers
2k views

What are the risks with massive banks of batteries/capacitors?

14 votes
4 answers
3k views

If a dragon could fly without magical assistance, how much force could a dragon exert in directed air attacks using the force of its wings?

11 votes
7 answers
3k views

What types of enemies would a two-handed sledge hammer be useful against in a medieval fantasy setting?

10 votes
7 answers
1k views

Could a combination of cheap energy and powerful thrusters turn good aerodynamic design into something that isn't always worth the cost?

10 votes
7 answers
2k views

Why would a molten alloy need to be jettisoned into low-to-medium orbit to cool as part of the manufacturing process?

10 votes
3 answers
881 views

If resistance were also a measure of a metal's resistance to magic, which metals would make the best armor and weapons?

9 votes
3 answers
976 views

How large can you build humanoid mechs with modern materials before they start experiencing structural problems?

9 votes
5 answers
644 views

Capital space ships: Several large fusion reactors vs many smaller ones

8 votes
3 answers
967 views

What would a realistic plasma shield look like?

8 votes
1 answer
181 views

What conditions could create a planet that has higher amounts of antimatter in its radiation belt?

8 votes
6 answers
2k views

How would a treaty forbiding the use of automated weaponry change space combat?

7 votes
5 answers
1k views

How would modern militaries respond to a large number of unknown spaceships suddenly launching towards the moon from Earth? [closed]

7 votes
2 answers
256 views

How long could late medieval-like architecture survive without humans to maintain it while they were in a magical sleep?

7 votes
19 answers
1k views

Disabling a spaceship while leaving it repairable?

6 votes
2 answers
433 views

Moving asteroids into a planet's orbit to increase rotation to produce a magnetic field

6 votes
5 answers
1k views

What would be the most practical way to use a dragon's scales as armor?

6 votes
7 answers
1k views

Can electronic warfare be used to bring space combat into visual range and protect fighters/bombers?

6 votes
1 answer
535 views

Energy costs of giving Mars and Venus moons: moving gas giant moons vs. capturing a rogue planet?

5 votes
2 answers
1k views

If the solar panels on a spaceship were able to convert gamma rays to electricity, how much more power would it produce?

5 votes
2 answers
899 views

In a fantasy setting with 15th century metallurgy, what metals could have been refined that were not discovered in our own medieval period?

5 votes
2 answers
1k views

Properties of magnetically confined plasma shielding

4 votes
1 answer
362 views

Sensible regulations on sentient AI with citizenship rights

4 votes
10 answers
1k views

Conditions for ideal/quick terraforming candidates that cannot currently support life

4 votes
8 answers
983 views

Using magnetic fields to prevent a weaponized warp drive?

4 votes
3 answers
2k views

Feeding the griffin: Determining approximate food requirements for mythical creatures?

3 votes
2 answers
304 views

What happens to asteroids when heated into a plasma?

3 votes
3 answers
236 views

Using EM noise + computers to simulate sound in the cockpit