Hacker Newsnew | past | comments | ask | show | jobs | submit | finally2049's commentslogin

> you can't for example cross from one side of a line on a 2D plane to the other without ever intersecting the line by moving in the time dimension

Can't you though? Time travel to before the line existed, move over, time travel back.


Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: