4 ms·
Feynman's also the one quoted as playing with the idea of what it would be like if 3 + 1 spacetime was instead 2 + 2 (i.e. 2-D space, 2-D time).
by glimcat 15y ago
Feynman's also the one quoted as playing with the idea of what it would be like if 3 + 1 spacetime was instead 2 + 2 (i.e. 2-D space, 2-D time).
- Qz 15y agohttp://en.wikipedia.org/wiki/Imaginary_time http://en.wikipedia.org/wiki/Imaginary_time I always love to throw this one at my friends once we get started talking about numbers/dimensions/philosophy.
- Sharlin 15y agoWikipedia has a nice summary on the arguments as to whether 3+1 is "privileged" in some sense: http://en.wikipedia.org/wiki/Spacetime#Privileged_character_of_3.2B1_spacetime http://en.wikipedia.org/wiki/Spacetime#Privileged_character_...