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—— ON THIS DAY ——
JULY 10, 1856
Smiljan, Austrian Empire (now Croatia)
169 years ago
Nikola Tesla — the Serbian-American inventor and electrical engineer whose alternating current system became the foundation of the modern electrical grid, photographed at the height of his fame.
Nikola Tesla was born on July 10, 1856, in the village of Smiljan, then part of the Austrian Empire and now in Croatia, to a Serbian family. He showed extraordinary intellectual gifts from an early age — an eidetic memory, a talent for languages and mathematics, and a capacity for visualizing complex machines in his mind in complete detail before building them. He emigrated to the United States in 1884, arriving with a few cents and a letter of introduction to Thomas Edison.
Tesla's central contribution to the modern world was the development of the alternating current (AC) system of electrical power generation, transmission, and use. AC could be transmitted efficiently over long distances in a way that Edison's direct current (DC) system could not. The 'War of the Currents' between Tesla's AC system (backed by George Westinghouse) and Edison's DC system was one of the defining technological and commercial battles of the late nineteenth century. AC won — and it is the system that powers virtually every building on Earth today.
—— MARQUEE EVENT ——
The War of the Currents — the late-nineteenth-century commercial and technological battle between Tesla's AC system, backed by Westinghouse, and Edison's DC system, which Tesla's design eventually won.
Tesla's inventiveness ranged far beyond AC power. He developed the induction motor, made fundamental contributions to radio (the US Supreme Court recognized his radio patents over Marconi's in 1943, after his death), pioneered work in X-rays, remote control, and wireless communication, and conducted spectacular experiments in high-voltage, high-frequency electricity that produced artificial lightning. His Tesla coil remains a staple of science demonstrations. His vision of wireless power transmission — broadcasting electricity through the air to be received anywhere — was decades ahead of its time and, in its grandest form, never realized.
Despite his genius, Tesla was a poor businessman, repeatedly outmaneuvered by more commercially astute rivals. He famously tore up a lucrative royalty contract with Westinghouse to help the company survive financial difficulty — a gesture of loyalty that cost him a fortune. His grand project to build a global wireless transmission tower at Wardenclyffe collapsed when his financier, J.P. Morgan, withdrew support. By his later years, Tesla was living in increasingly reduced circumstances, obsessed with feeding pigeons, and making claims about death rays and other inventions that damaged his scientific reputation.
Tesla died alone in a room at the Hotel New Yorker in January 1943, impoverished and largely forgotten by the public, though respected by engineers. For decades afterward, his contributions were overshadowed by Edison's in popular memory. But in recent decades, Tesla has undergone a remarkable rehabilitation — celebrated as a visionary, an outsider, and a symbol of the underappreciated genius. The unit of magnetic flux density is named the tesla in his honor. An electric car company bears his name. The man who died broke is now one of the most admired figures in the history of technology.
—— WHY THIS MATTERS ——
Tesla's alternating current system is the foundation of the modern electrical world. Virtually every power grid on Earth uses AC. The ability to transmit power efficiently over long distances — which DC could not do — made the electrification of entire nations possible. The modern world runs on Tesla's system.
His work anticipated technologies that would not be realized for decades. Tesla's pioneering work in radio, remote control, wireless communication, and wireless power transmission was, in many cases, decades ahead of the technology needed to realize it. He was imagining the wireless world long before it became possible.
His posthumous rehabilitation is a study in how history reassesses neglected figures. Forgotten and impoverished at his death, Tesla has been reclaimed as a visionary and a symbol of underappreciated genius. The arc from obscurity to icon reflects how cultural memory can be revised, sometimes dramatically, long after the fact.
—— THE TAKEAWAY ——
On July 10, 1856, a boy was born who would imagine the modern electrical world into existence. Tesla's alternating current powers nearly every building on Earth. He pioneered radio, remote control, and wireless power. He was cheated, outmaneuvered, and died broke in a hotel room. A century later, the world finally caught up to him.
—— QUOTE OF THE DAY ——
"The present is theirs; the future, for which I really worked, is mine."
— Nikola Tesla
—— OUR QUIZ OF THE DAY ——
How much do you know about Nikola Tesla, the War of the Currents, his contributions to radio and wireless technology, his financial misfortunes, and his remarkable posthumous rehabilitation?
