Serbian-American engineer and physicist Nikola Tesla (1856-1943) made dozens of breakthroughs in the production, transmission and application of electric power. He invented the first alternating current (AC) motor and developed AC generation and transmission technology.
This item is found only in the Desktop and Console version(s) of Terraria. The GPS is an accessory that is crafted at a Tinkerer's Workshop from the Compass, and either a Gold or Platinum Watch, and a Depth Meter. It combines the functions of all three of these accessories, showing your distance east or west from the center of the map, how deep you are, and the time to the minute.
Cradle and All: Travel the entire Clockworks from depth 0 to depth 29 in a single expedition. Dauntless Delver: Travel the entire Clockworks from depth 0 to depth 29 in a single expedition without having to revive. Energize!: Power up a derelict Mecha Knight. Expert Armorer: Amass 5 armors in your Arsenal.