User LSerni

243 votes

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Would somebody from the middle ages be able to identify an atomic / nuclear bomb?

answered Mar 18, 2017 at 23:58

141 votes

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Does a hive mind race need a written language?

answered Oct 10, 2017 at 6:27

98 votes

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Reasons why air travel isn't feasible, but ground travel is?

answered Sep 21, 2017 at 21:11

82 votes

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Why is clothing turned inside-out my weakness?

answered Feb 28, 2021 at 12:48

79 votes

What could prevent us from making alien technology if we had the schematics?

answered Jan 18, 2019 at 10:51

77 votes

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Is there any material today that could withstand the impact of a baseball at 0.05c?

answered Apr 20, 2018 at 17:36

68 votes

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How to preserve electronics (computers, tablets and phones) for hundreds of years

answered Mar 19, 2019 at 21:50

66 votes

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How fast can I flood the Netherlands entirely and permanently?

answered Jun 18, 2018 at 22:26

62 votes

How noticeable would it be if gravity decreased to be around 90%?

answered Oct 11, 2021 at 20:41

61 votes

How do you check if a room behind a door aboard a spaceship has an atmosphere/pressure?

answered Oct 22, 2017 at 17:42

57 votes

Is it feasible to have a literal ivory tower?

answered Mar 11, 2018 at 13:44

52 votes

Physics of a metal-poor world

answered Oct 2, 2017 at 22:54

50 votes

Quantum Based AI getting around Isaac Asimov's "Three Laws of Robotics"

answered Feb 21, 2017 at 22:49

50 votes

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How realistic is a genetic memory?

answered Sep 7, 2020 at 8:42

48 votes

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Would going underground into a planet offer protection from a supernova?

answered Jul 5, 2020 at 13:46

46 votes

Plausible natural reason why you can land on a earthlike planet yet can never get back to orbit from it?

answered Jan 4, 2022 at 10:58

45 votes

How can a secret, murderous cult remain secret?

answered Mar 8, 2018 at 19:20

45 votes

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Is a "long exposure"-like night sky possible?

answered Nov 7, 2017 at 22:04

44 votes

How to verify or establish identity where shapeshifters exist

answered May 31, 2017 at 18:42

44 votes

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How can an organ that provides biological immortality be unable to regenerate?

answered Mar 17, 2019 at 18:48

42 votes

What species should be used for storage of human minds?

answered Feb 24, 2019 at 15:49

42 votes

How would a human be affected if plant DNA was injected into their system?

answered Aug 2, 2020 at 20:20

40 votes

If a person had control of every single cell of their body, would they be able to transform into another creature?

answered May 25, 2019 at 15:49

39 votes

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What methods might an ancient civilization use to desalinate sea water?

answered Oct 29, 2017 at 19:13

39 votes

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What would be the side effects of a massive, strong magnetic field?

answered Apr 16, 2018 at 16:42

39 votes

What would happen to a star if most of its energy were reflected back at it?

answered Jan 13, 2022 at 23:35

38 votes

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How much damage would a cupful of neutron star matter do to the Earth?

answered Apr 19, 2019 at 15:20

38 votes

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How long could a human survive completely without the immune system?

answered Sep 29, 2019 at 19:48

38 votes

Defenses against someone moving at 1500+mph

answered Sep 2, 2020 at 14:51

36 votes

Would a wound from a monomolecular blade instantly heal?

answered Sep 1, 2016 at 15:51

Stack Exchange Network

679 Answers

Would somebody from the middle ages be able to identify an atomic / nuclear bomb?

Does a hive mind race need a written language?

Reasons why air travel isn't feasible, but ground travel is?

Why is clothing turned inside-out my weakness?

What could prevent us from making alien technology if we had the schematics?

Is there any material today that could withstand the impact of a baseball at 0.05c?

How to preserve electronics (computers, tablets and phones) for hundreds of years

How fast can I flood the Netherlands entirely and permanently?

How noticeable would it be if gravity decreased to be around 90%?

How do you check if a room behind a door aboard a spaceship has an atmosphere/pressure?

Is it feasible to have a literal ivory tower?

Physics of a metal-poor world

Quantum Based AI getting around Isaac Asimov's "Three Laws of Robotics"

How realistic is a genetic memory?

Would going underground into a planet offer protection from a supernova?

Plausible natural reason why you can land on a earthlike planet yet can never get back to orbit from it?

How can a secret, murderous cult remain secret?

Is a "long exposure"-like night sky possible?

How to verify or establish identity where shapeshifters exist

How can an organ that provides biological immortality be unable to regenerate?

What species should be used for storage of human minds?

How would a human be affected if plant DNA was injected into their system?

If a person had control of every single cell of their body, would they be able to transform into another creature?

What methods might an ancient civilization use to desalinate sea water?

What would be the side effects of a massive, strong magnetic field?

What would happen to a star if most of its energy were reflected back at it?

How much damage would a cupful of neutron star matter do to the Earth?

How long could a human survive completely without the immune system?

Defenses against someone moving at 1500+mph

Would a wound from a monomolecular blade instantly heal?