Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
cdixon
on Nov 11, 2010
|
parent
|
context
|
favorite
| on:
An umbrella designed using aerodynamic theory to w...
I have one of these. The problem is it breaks when the wind changes directions.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
