Badge
| Good Answer | Answer score of 25 or more. This badge can be awarded multiple times. |
David Zaslavsky earned this badge 6 times |
jan 19 at 5:02
Double light speed
nov 29 at 2:24
Getting started general relativity
may 7 '12 at 18:47
Book recommendations
jun 16 '11 at 13:23
Why is there a scarcity of lithium?
jun 3 '11 at 18:41
How Does Mass Leave the Body When you Lose Weight?
