| 1 | The science of firearms and the study of the motion of bullets. | |
| 2 | "Europeans therefore trained their soldiers to use firearms, which could be done relatively quickly, " said Nieminen. | |
| 3 | Evennow, increasingly deadlier firearms are under development. | |
| 4 | For that reason, firearms quickly eclipsed the bow in Europe. | |
| 5 | Wellington had only one hundred and fifty-nine mouths of fire; Napoleon had two hundred and forty. |