Nikola Tesla Inventions - Page 5

Patented in 1894 under U.S. Patent 514,972 , Tesla's electric railway used high-frequency AC overhead lines for efficient powering without direct contact. Insulated screens protected against losses...

Nikola Tesla pioneered radio technology through his groundbreaking work on wireless transmission of signals using electromagnetic waves, beginning in the early 1890s. He developed tuned resonant...

World's first and only valve with no moving parts. This device uses a series of specially-shaped chambers to create flow resistance in one direction, but not the other. It's also called a "fluid diode...