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Aneke Leo
Engineer
 · EnuguNigeria
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Please, i have been wondering if there is a way electricity can be carried from one point to another without the use of cable. just like somthing called blue energy i watched in a movie

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Robert Read
Public Inventor, PhD
 · AustinU.S.
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Of course it can on a very small scale. That is what a radio is. Light transmits energy as well. Just take a flashlight and a tiny solar cell, and you can transfer power (on a tiny scale) without a cable. However, it is rarely efficient to do this. The best efficiency you can hope for is 25%, and that is with light. If you use radio (that is, lower frequency electromagnetic radiation), then it will be even less efficient.

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Justice Max
Developer
 · Nigeria
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How about this thought sir,

"Just take a flashlight and a tiny solar cell, and you can transfer power (on a tiny scale) without a cable. " and then amplify the current and recycle it to another amplifier and rotate it to a storage and return from that storage to the same amplifier using a diode to allow one way into the amplifier and increase the energy from 25% to more.

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Robert Read
Public Inventor, PhD
 · AustinU.S.
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I’m afraid you are suggesting something which violates the law of conservation of energy. Amplifying an electrical signal never generates more electricity—it just moves the power needed for the amplification into the signal.

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Justice Max
Developer
 · Nigeria
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Ok sir.
Thanks for correcting my thoughts.
I’m no electrical student 😃

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Robert Read
Public Inventor, PhD
 · AustinU.S.
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Mr. Max, it is a pleasure to assist someone open-minded and willing to learn.

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