Nikola Tesla
Nikola Tesla was born on 10 July 1856 in Smiljan, in what is now Croatia, into a Serbian Orthodox family. At the time of his birth, the town lay within the Austrian Empire. His father, Milutin Tesla, was an Orthodox priest, while his mother, Georgina Đuka Tesla, though she had no formal schooling, was distinguished by an exceptionally keen mind and a remarkable aptitude for mechanics. From an early age Tesla displayed extraordinary abilities, impressing all who knew him with his memory, his spatial reasoning, and his uncommon ease in grasping technical concepts. He studied engineering and, after several years of work in Europe, emigrated to the United States. There, he brought his most significant projects to fruition and rose to worldwide renown. Though his bold visions were centuries ahead of their time, throughout his life he often faced a lack of understanding and financial hardship. Tesla secured hundreds of patents and laid the foundations for the modern technological world.
Wardenclyffe Tower
As early as the close of the nineteenth century, Tesla demonstrated that electric current could be transmitted without wires. His famous Wardenclyffe Tower was intended to mark the beginning of a worldwide network of wireless energy transmission, powered from a single source and accessible to any receiver across the globe. And yet, more than a century later, in the age of so-called “smart” technologies, we remain ensnared in a web of cables. We are surrounded by a tangle of sockets, chargers, and cords dangling from desks and walls. The wireless charging of a smartphone or a toothbrush is but a faint echo of what Nikola Tesla once envisioned. Thanks to this reconstruction of the original Wardenclyffe Tower, you can experience wireless energy transmission for yourself. Simply pick up a light bulb and hold it toward the tower.
X-Rays
In the 1890s, while working with vacuum tubes, Tesla observed that electrical discharges produced invisible rays capable of penetrating materials previously thought impenetrable. At the same time, Wilhelm Conrad Röntgen was likewise experimenting with discharges in cathode tubes. In 1895 he announced the groundbreaking discovery of “X-rays,” later named Röntgen rays in his honor, which led to worldwide renown and the Nobel Prize. Despite his early and significant achievements, Tesla failed to publicize his discoveries, with the result that it was Röntgen, not Tesla, who went down in history as the discoverer of X-radiation. Nikola Tesla recognized very early the medical potential of X-rays, but he was equally quick to perceive their harmful effect on health. He therefore counseled caution; his warnings helped accelerate the search for protective devices against radiation.
Teleautomaton
In May 1898, at Madison Square Garden, Nikola Tesla publicly presented for the first time a remotely controlled boat, which he called the “Teleautomaton.” The demonstration caused a sensation, and some spectators even suspected that a small monkey had been concealed inside the model, steering it from within. Tesla employed a signaling method in which the receiver responds only when two independent receiving circuits are activated simultaneously. This invention is regarded as the direct precursor of today’s logic gates (AND gates). Without such conditional logic, there would be neither processors nor the technologies that we now take for granted: artificial intelligence (AI), operating systems, applications, the internet, smartphones, GPS, Wi-Fi, encryption (for instance in banking and payment systems), image and video compression, 3D graphics, computer games, and all of modern automation technology.
Induction Motor
In the spring of 1882, during a walk through a park in Budapest, Nikola Tesla experienced the moment of insight that would change the world forever. In his mind’s eye, he saw a vivid image of phase-shifted alternating currents creating an invisible rotating magnetic field, capable of setting a metal cylinder in motion. Tesla’s revolutionary design, a squirrel cage rotor driven by a rotating magnetic field, was patented in 1888 under US Patent 381,968 and paved the way for the widespread use of alternating current motors. In our homes, it is this very rotating field that makes the washing machine wash, the refrigerator cool, and the air conditioner cool the summer heat. On rails, electric trams and trains glide through cities and across continents. Wind turbines with induction generators transform moving air into electricity. When an electric vehicle accelerates, or when a heat pump begins working on a frosty evening, it is Tesla’s Budapest vision of 1882 that still sets in motion so much of what we now take for granted.
Speedometer
In 1916, Tesla patented a new type of contactless speed indicator for vehicles. Instead of conventional gears or magnets, he used the phenomenon of air viscosity between two rotating drums. The idea was brilliantly simple: a primary drum, driven by the wheel, rotated inside an air-filled capsule, and its motion acted upon a lightweight secondary drum suspended by a spring and connected to the pointer on the dial. The torque was transmitted solely through the air, with no gears, no friction and no lubricant. Today’s contactless flow and speed sensors, based on the resistance of liquids or air, are the contemporary expression of this very idea, one of many instances in which Tesla proved, once again, to be a generation ahead of his time.
Tesla Coil
This device, patented by Nikola Tesla in 1891 under US Patent No. 454,622, was the first practical means of generating high voltage at high frequency. At a time when electricity was still a novelty, Tesla was already experimenting with the wireless transmission of energy. His coil made it possible to reach voltages in the range of hundreds of thousands of volts and to observe how energy propagates through space in the form of corona discharges, sparks and electromagnetic waves. This device became the foundation for many later experiments, from the wireless transmission of radio signals to concepts of wireless power supply.
Visionary
Nikola Tesla was not only ahead of his own time, but also ahead of our present understanding of technology. More than a century ago, he imagined a world based on global communication, the wireless transmission of information and energy, and personal devices resembling today’s smartphones. At the same time, he outlined far bolder ideas that still remain beyond our reach: the teleportation of matter, which would make it possible to transmit objects over great distances; technological telepathy and the visualization of thoughts; global climate control through intervention in the atmosphere; as well as underwater cities and the expansion of humankind beyond the Earth. Rooted in his research into energy and electromagnetic waves, these visions mark the outer limits of technological imagination, and they continue to inspire science today, as it only now begins to approach ideas that Tesla formulated at the dawn of the twentieth century.
Our Exhibition
The Fascinating World of Nikola Tesla presents the life and work of the inventor whose ideas helped shape the foundations of the modern world. The exhibition combines historical inventions with interactive exhibits and presents Tesla’s most important achievements and concepts, including the induction motor, the Tesla coil and wireless energy transmission, radio, ozonation, electrotherapy and X-rays, as well as the early foundations of robotics, remote control and aviation. The exhibition comprises more than 30 exhibits with detailed descriptions in two languages. It requires a floor area of approximately 200 to 500 square meters, in a single room or spread across several. The scope of the exhibition can be adapted to your needs and to the venue’s specifications. Further details can be found in the “About Us” section.
Tesla on Himself and the Future
A Figure Brought to Life by AI
Exhibition Film
The Exhibition at the Energy and Technology Museum in Vilnius
