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1.
▲
Relativistic Baseball
whatif.xkcd.com
discuss
14 years ago
g-garron
6 points
2.
▲
What If?: Serious Scientific Answers to Absurd Hypothetical Questions
whatif.xkcd.com
discuss
11 years ago
jestinjoy1
4 points
3.
▲
XKCD book – What If?
whatif.xkcd.com
discuss
12 years ago
NicoJuicy
4 points
4.
▲
What If?: Serious Scientific Answers to Absurd Hypothetical Questions
whatif.xkcd.com
discuss
12 years ago
tokenadult
2 points
5.
▲
Steak Drop
whatif.xkcd.com
discuss
13 years ago
chrisbumgardner
2 points
6.
▲
Robot Apocalypse
whatif.xkcd.com
discuss
14 years ago
raju
2 points
7.
▲
XKCD What If Blog - Answering Your Hypothetical Questions with Physics
whatif.xkcd.com
discuss
14 years ago
jacktoole1
2 points