Stuff You Should Know Wireless Electricity: When Can We Unplug Our TVs?
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Feb 29, 2024 Imagine a world where electricity flows through the air, freeing us from pesky cords! The hosts dive into the evolution of wireless electricity, from Tesla's dreams to modern-day advancements. They discuss the potential of wireless charging for electric vehicles and even envision highways lined with charging lanes. With new technologies like MagSafe and DARPA's energy relay, the future looks bright for seamless energy transfer. This revolutionary shift could transform smart devices and reduce our dependence on batteries, making life more convenient.
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Tesla's Wireless Power Dream
- Tesla famously tried creating a global wireless electrical network.
- A legend says he lit lightbulbs 25 miles away, but it's unverified.
Wireless Helicopter
- In 1964, William Brown at Raytheon powered a helicopter wirelessly for 10 hours.
- This demonstration showcased a significant advancement in wireless power transmission.
Long-Distance Wireless Power
- William Brown's 1975 record for wireless power transmission stood for almost 50 years.
- The Korean Space Agency recently broke it, transmitting power wirelessly over approximately a mile.