Scientists at Stanford Are Turning Tesla’s Global Wireless Power Grid Into Reality

By Josie Wales

Scientists at Stanford University have figured out how to wirelessly transmit electricity between moving objects, overcoming previous limitations and possibly bringing Nikola Tesla’s vision of a global wireless power grid closer to reality.

Using technology originally developed in 2007 at MIT to wirelessly transmit electricity between stationary objects, the research team was able to achieve a power transfer between moving objects based on magnetic resonance coupling. When electricity moves through wires, it creates an oscillating magnetic field, which in turn causes electrons in wire coils nearby to oscillate, thus transferring energy. However, if the oscillating coils are not tuned automatically and continuously as the object moves, the flow of electricity is stopped.

It is a complex process, and until now it has been one of the primary obstacles in transferring energy wirelessly. Stanford’s researchers solved this with the use of a commercially available voltage amplifier and feedback resistor, which automatically figures out the right frequency for different distances without the need for human interference. “Adding the amplifier allows power to be very efficiently transferred across most of the three-foot range and despite the changing orientation of the receiving coil,” said graduate student Sid Assawaworrarit, the study’s lead author. “This eliminates the need for automatic and continuous tuning of any aspect of the circuits.”

According to a press release published by Stanford’s news service:

The team is now working on greatly increasing the amount of electricity that can be transferred, and tweaking the system to extend the transfer distance and improve efficiency.

If successful, the technology will likely one day be used to charge everything from medical implants to cell phones to even electric vehicles as they drive. Professor of electrical engineering and senior author of the study, Shanui Fan, is optimistic about future applications of the technology.

“In addition to advancing the wireless charging of vehicles and personal devices like cellphones, our new technology may untether robotics in manufacturing, which also are on the move,” Fan said.

We still need to significantly increase the amount of electricity being transferred to charge electric cars, but we may not need to push the distance too much more.

Creative Commons / Anti-Media / Report a typo

Also Read: The 10 Inventions Of Nikola Tesla That Changed The World

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5 Comments on "Scientists at Stanford Are Turning Tesla’s Global Wireless Power Grid Into Reality"

  1. Imagine if the US government actually de-classified Tesla’s own research. I know. Tough to imagine.

  2. Stanford might be spreading the electricity a little thin. I’m sure the commoner will never see this come to light, so to speak.

  3. Psychic Warrior | June 24, 2017 at 7:20 am | Reply

    What a terrible idea but that means they will do it anyway. The US Navy already has the patents for unlimited free energy without the dangers of microwave and nuclear but our Reptilian masters prefer the Agenda 21 approach for “advancement” as this leads to more dead and will keep Big Pharma with a large client base.

  4. ok this is stupid we have mastered this already
    the idea that matters about tesla’s build is that it was generated from the natural forces underground and in the air

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