Ask AI: What kind of technology was Nikola Tesla working on?

Nikola Tesla was a visionary inventor and scientist and his work covered a wide range of areas, from electricity and magnetism to robotics and wireless communication. He was primarily known for developing innovative alternating current (AC) electrical systems, which helped pave the way for the widespread use of electricity today. He also explored X-ray technology, remote control systems, and radio transmission. He also researched the possibility of a global wireless communication network, now known as the internet.