Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
tgb
on Feb 5, 2014
|
parent
|
context
|
favorite
| on:
Torus-Earth
The ringworld has a radius approximately that of the radius of the orbit of earth. A quite large sun could fit easily through such a 'toroidal planet.'
Join us for
AI Startup School
this June 16-17 in San Francisco!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
