If aliens boarded the International Space Station, would guns make a viable defensive weapon? What about on the moon or Mars?
How would bullets behave in low gravity or zero gravity environments?
Would you believe you could shoot yourself in the back of the head by aiming at the horizon and firing?
Check out this video from the guys at VSauce and tell us what you think:
And, if you thought you could put the sun out with water, please return to 8th grade – do not pass go, do not collect $200.