| bio | website | plus.google.com/u/0/… |
|---|---|---|
| location | United States | |
| age | 23 | |
| visits | member for | 7 months |
| seen | Dec 18 '12 at 20:01 | |
| stats | profile views | 0 |
511 -> KeV, the energy of each of the two photons created when a positron and an electron annihilate
| bio | website | plus.google.com/u/0/… |
|---|---|---|
| location | United States | |
| age | 23 | |
| visits | member for | 7 months |
| seen | Dec 18 '12 at 20:01 | |
| stats | profile views | 0 |
511 -> KeV, the energy of each of the two photons created when a positron and an electron annihilate