User Whitecold

27 votes

Gravity alteration as extermination tool viable?

answered Mar 13, 2019 at 7:40

18 votes

Can a generation ship withstand its own oxygen and daily wear for many thousands of years?

answered May 16, 2019 at 6:50

18 votes

How can black magic be prevented from becoming common?

answered Jul 1, 2020 at 14:59

18 votes

Accepted

What kind of ships would an amphibious species build?

answered Nov 4, 2020 at 13:05

14 votes

Euro-American Maglev Railway - Transit without stopping

answered May 7, 2020 at 7:38

13 votes

A steel-cutting sword?

answered May 23, 2019 at 7:03

13 votes

Use bomb to detonate a white dwarf?

answered Mar 14, 2019 at 11:38

10 votes

Trading Upstream

answered Mar 26, 2019 at 7:50

10 votes

Would an ultra-heavy tank be a resource-efficient zombie-extermination unit for an CBRN-contaminated environment?

answered Aug 16, 2021 at 8:56

9 votes

What materials can be used to make a humanoid skin warm?

answered Mar 10, 2019 at 22:05

9 votes

Possibility to prolong half life of unstable molecules through altered strong force constant in parallel universes?

answered Jun 15, 2020 at 6:42

8 votes

Is a world with one country feeding everyone possible?

answered May 20, 2019 at 9:40

7 votes

On our way to Mars: how do we do the laundry?

answered Mar 4, 2020 at 8:42

6 votes

How long would a planet that losses its gravity take to break up?

answered May 10, 2020 at 11:28

6 votes

Can a one-dimensional blade cut everything ? (chainsaw) (Sword)

answered Mar 16, 2019 at 8:00

6 votes

Is it possible for the tribe to ignore useful technology?

answered Jul 5, 2020 at 8:57

4 votes

Could another species overtake us technologically?

answered Mar 11, 2019 at 8:04

4 votes

Accepted

Fuel for a commercial space shuttle

answered Mar 2, 2019 at 9:20

4 votes

Could a small private island protect its sovereignty?

answered Oct 2, 2019 at 13:44

2 votes

Is it realistic to have a sound-based naval identification system?

answered Oct 22, 2019 at 15:06

2 votes

Nuclear Space Defence!

answered May 2, 2019 at 8:56

2 votes

What is the cheapest way to move large amounts of trade goods to orbit?

answered May 3, 2019 at 8:22

2 votes

How can a coven of witches operate as a pyramid scheme?

answered May 23, 2019 at 13:35

2 votes

Biggest possible Steampunk Airship?

answered May 22, 2019 at 12:51

2 votes

Accepted

Can you make cheap steel without steam engines?

answered Feb 18, 2020 at 9:30

2 votes

Why would space fleets be aligned?

answered Feb 27, 2019 at 0:08

2 votes

How to achieve physical gender equality?

answered Feb 21, 2019 at 6:33

2 votes

Accepted

Post-Apocalypse Technology?

answered Mar 24, 2019 at 10:45

1 vote

Antimatter internal combustion engine

answered Mar 15, 2019 at 19:56

1 vote

In a world of magic, why would cities still find high walls useful?

answered Feb 22, 2019 at 19:02

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39 Answers

Gravity alteration as extermination tool viable?

Can a generation ship withstand its own oxygen and daily wear for many thousands of years?

How can black magic be prevented from becoming common?

What kind of ships would an amphibious species build?

Euro-American Maglev Railway - Transit without stopping

A steel-cutting sword?

Use bomb to detonate a white dwarf?

Trading Upstream

Would an ultra-heavy tank be a resource-efficient zombie-extermination unit for an CBRN-contaminated environment?

What materials can be used to make a humanoid skin warm?

Possibility to prolong half life of unstable molecules through altered strong force constant in parallel universes?

Is a world with one country feeding everyone possible?

On our way to Mars: how do we do the laundry?

How long would a planet that losses its gravity take to break up?

Can a one-dimensional blade cut everything ? (chainsaw) (Sword)

Is it possible for the tribe to ignore useful technology?

Could another species overtake us technologically?

Fuel for a commercial space shuttle

Could a small private island protect its sovereignty?

Is it realistic to have a sound-based naval identification system?

Nuclear Space Defence!

What is the cheapest way to move large amounts of trade goods to orbit?

How can a coven of witches operate as a pyramid scheme?

Biggest possible Steampunk Airship?

Can you make cheap steel without steam engines?

Why would space fleets be aligned?

How to achieve physical gender equality?

Post-Apocalypse Technology?

Antimatter internal combustion engine

In a world of magic, why would cities still find high walls useful?