Stack Exchange
sign up
|
log in
|
Physics
Questions
Tags
Tour
Users
Ask Question
rad1
Unregistered
less info
network profile
21
reputation
1
bio
website
location
age
visits
member for
7 months
seen
Oct 13 '12 at 19:54
stats
profile views
3
21
reputation
bio
website
visits
member for
7 months
1
badges
location
seen
Oct 13 '12 at 19:54
summary
answers
questions
tags
badges
favorites
bounties
reputation
activity
21
Reputation
graph
time
post
10
Apr 3
+10
20:14
upvote
Is there still light in practical darkness? Do photons penetrate everywhere?
10
Oct 14 '12
+10
15:13
upvote
Is there still light in practical darkness? Do photons penetrate everywhere?
Physics Stack Exchange works best with JavaScript enabled