Tesla coils beam electricity through the air
Nikola Tesla's coils wirelessly transmit electricity across rooms using electromagnetic fields, demonstrating a groundbreaking concept that influenced modern wireless technology.
Imagine lighting a bulb without wires! Nikola Tesla's coils, patented in 1891, do just that. These resonant circuits create powerful electromagnetic fields, wirelessly inducing currents in nearby objects. This groundbreaking invention showcased how electricity could travel through the air, illuminating fluorescent bulbs held feet away in classic demonstrations. While not practical for everyday power due to energy loss, Tesla's vision laid the foundation for modern wireless technologies like radio and inductive charging. Today, these captivating devices still inspire research into efficient wireless power for our future.