Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
jessekv
52 days ago
|
parent
|
context
|
favorite
| on:
Mathematicians marvel at 'crazy' cuts through four...
Also, all knots are trivial in 4D:
https://math.stackexchange.com/questions/1426501/why-are-all...
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: