Why no research was conducted on sending electricity wireless?

Answer 1

Nikola Tesla originally proposed the idea of transmitting wireless energy across large areas. It looks good on paper, but the equipment needed to do so and provide enough energy is very large, expensive, dangerous, and not practical. It's so much easier and cheaper to just run wires! And that is what we do now. The current electric transmission and distribution system is very efficient and relatively cheap to produce and maintain. I'm sure the maintenance and startup costs of large wireless transmitters would be astronomical!

Now we STILL do send electricity wirelessly. Essentially, Tesla created the first radio transmitter. Essentially, radio waves are electrical, or electromagnetic energy. Therefore, if you consider it, electricity is sent wirelessly all over the world, each and every day.

Now, in terms of wireless power, to do work for example, in your home, in commercial buildings, and industrial purposes, that goes back to Tesla's theory. Remember, Tesla made all of his inventions in the early 1900's. There were no computers, sensitive electronics, TVs, radios, or even automobiles...well not the automobiles we have today, at least. So the proposed idea of sending hundreds of megawatts of power into the air would be devastating in today's age. Everything we use today would have to be redesigned to accept power from the air, most likely with internal coils and air transformers. Antennas for all communication devices would have to be redesigned to block the massive amounts of interference in the frequency range of the transmitted power. There could even be the possibility of fires or explosions from sparking caused by energy being absorbed where it should not be absorbed! Take putting aluminum foil in your microwave as an example.

All in all, it just won't work, and probably will never work in terms of the magnitude in which Tesla imagined. It MAY work in small areas, perhaps in a room in your house, or even your entire house, to power small electronics or lights, but that's about it. Anything large, like a refridgerator or an oven would require a very large transmitter humming down in your basement or the center of your house/apartment! I think I will just stick with the good "old fashioned" electrical outlet...

Answer 2

You can transmit energy through the air very easily by microwaves and convert it back into electricity. Unfortunately this is extremely hazardous and will cook anything that gets into the beam. Lightning is another wireless way of transmitting electricity and that is a bit tricky powering your laptop. There are other methods like induction but for any useful amount of power it will fry any people nearby.

Answer 3

Not true at all. It was proposed in the '80's to send power to some of the more remote Alaskan islands with microwave energy,, but the problems are absorption with water vapor in the atmosphere and the problem of birds or people getting into the beam, you get fried. 1000's of watts can be sent, but it has some down sides.

Answer 4

Tesla managed to run a full sized electric car during his tests with wireless transmission of electricity. I don't think he used microwaves, there's no record of him being fried by the transmission !

Answer 5

replacing power to electrical energy (like making an exercising bike replacing your pedalling into electrical energy) If issues had a image voltaic power generator or some thing. i do not understand, i'm no scientist besides the indisputable fact that it kind of feels a chance besides the indisputable fact that it won't be able to make all of us money so why worry.