Worldbuilding

Popular Question

 Popular Question
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earned this badge 20 times.
How would a space probe determine its distance from a black hole while orbiting around it?
Awarded Feb 24 at 11:51
Setting up a bonfire in a methane rich atmosphere: is it possible?
Awarded Feb 19 at 13:55
Keeping an environment warm without fire: fermenting grass
Awarded Feb 10 at 14:40
Navigating under a starless sky: how to determine the position?
Awarded Jan 14 at 10:42
A two-thresholds poison: how does it work?
Awarded Jul 3 '20 at 8:55
On our way to Mars: how do we do the laundry?
Awarded Mar 4 '20 at 19:50
Keeping a healthy immune system on a generation-ship
Awarded Dec 9 '19 at 19:45
Planet with poles warmer than equator
Awarded Nov 2 '19 at 22:45
How do ballistic trajectories work in a rotating cylinder world?
Awarded Jul 6 '19 at 4:50
Scientific explanation for a exceptionally bright night sky
Awarded Dec 21 '18 at 22:00
Anatomically correct “XKCDius lethalissimus”
Awarded Aug 28 '18 at 20:30
Would alien litterbugs accidentally create a star?
Awarded Feb 14 '18 at 16:29
Creating a meteorite by throwing a stone [closed]
Awarded Nov 17 '17 at 16:58
Silica Aerogel maze
Awarded Jun 20 '17 at 15:17
Feasibility of poisonous soft bullet
Awarded Jun 16 '17 at 15:59
Leg powered propeller for boat in Punic war time
Awarded May 31 '17 at 16:05
Human echolocation for spies. What sound to use?
Awarded Mar 31 '17 at 8:58
Detecting a neutron star entering the solar system
Awarded Feb 25 '17 at 4:59
Would a large number of people simultaneously turning on a load of 3 kW be sufficient to bring down the electricity grid across 500 sq km?
Awarded Feb 21 '17 at 15:11
Can the existence of an orthogonal reality be proven to those who cannot experience it?
Awarded Feb 3 '17 at 14:53

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