Timeline for Why would a civilization outfit buildings with separate portals for entering and leaving them?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Mar 8, 2017 at 20:23 | comment | added | Wompguinea | Well yeah, but I guess they figured an automatic door in the bathroom would've been weird. As for the Alien race, an automatic door would probably render the question redundant since there'd be no real practical reason to have two doors, only cultural/traditional. | |
| Mar 8, 2017 at 9:54 | comment | added | Mrkvička | Can't they just have sliding doors which open automatically by an approach sensor? If it works for stores.... | |
| Mar 6, 2017 at 4:10 | history | answered | Wompguinea | CC BY-SA 3.0 |