Arquebus, or Harquebus, an early firearm. Several types of firearms were known by the name arquebus during the 16th and 17th centuries. All were fired from the shoulder or chest. The firing mechanism was originally a matchlock, a device that held a piece of burning wick and touched it to the powder in the gun when a trigger was pulled. Later, other firing arrangements were used.
Picture yourself deep behind enemy lines, taking calculated risks to gather information about the enemy. This is Army reconnaissance work. How can you earn yourself a spot among the reconnaissance ranks?
The idea of anyone messing with your mind probably makes you nervous. But what if doctors could put that power to good use without drilling a hole through your skull?