MichaelK's user avatar
MichaelK's user avatar
MichaelK's user avatar
MichaelK
  • Member for 8 years, 7 months
  • Last seen this week
243 votes
Accepted

How to safely check if you are immortal?

120 votes
Accepted

What do you do with all the bodies?

83 votes

A poison that only works if you know it is there

82 votes

Infantry weapons, or why are there people running around down there anyway?

82 votes
Accepted

How do I explain that an interstellar spaceship still requires risky spacewalks?

80 votes
Accepted

Reasons for my dark ages world to have no horses at all

79 votes
Accepted

How would a medieval city get cold drinks?

73 votes
Accepted

Is it plausible for self-destruct button to trigger a countdown?

72 votes
Accepted

Would a non-lethal military be effective?

65 votes

What kind of a unit/army would prefer fighting from a low ground position?

65 votes
Accepted

Uranium block house heating

57 votes

How to tell a clone apart?

55 votes
Accepted

What would the effect be on Earth if Mars disappeared?

49 votes
Accepted

Advantages of an electrified sword?

45 votes

How do we tell if we're living in a virtual reality world?

43 votes

How to keep a military technology secret while using it?

42 votes
Accepted

Hallway cannon, the last way out

42 votes
Accepted

Explosives in the Middle Ages

41 votes

Why did dragons evolve to be smart?

40 votes
Accepted

Dropping ice in the ocean to stop global warming

38 votes

Zero Emission Tanks

38 votes
Accepted

How to explain human life expectancy increase?

37 votes

How can a mortal woman successfully carry a demigod to term?

36 votes

Using Polonium in a WMD

36 votes
Accepted

A society without law enforcement?

34 votes

Can singularity be achieved in a PC without any external information?

34 votes

What might stop people from destroying navigation satellites that are used for FTL plotting?

33 votes
Accepted

What Could Cause Humans To Fracture Into Many Multiple Species?

33 votes

What could cause a culture to change their writing style?

32 votes
Accepted

How can I locate myself in a random point of space?

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