Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
snowwrestler
on Jan 27, 2012
|
parent
|
context
|
favorite
| on:
Graphene: The perfect water filter
You can do that now with camping water filters from companies like First Need or PUR.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
