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I was wondering, if we can wirelessly transmit information via wi-fi, bluetooth etc. could we charge our laptops and mobiles mp3 players by power being transmitted to them without wires. Impossible is nothing but ???????????????

2006-09-13 11:08:36 · 7 answers · asked by Anonymous in Consumer Electronics Other - Electronics

7 answers

The first question is "what would be the benefit?" The only thing I can come up with is you wouldn't need a battery charger, and you wouldn't have to get off of your lazy a s s to plug it in.

Now, what are the downfalls of such a thing.

One of the biggest problems with it is it would be HORRIBLY inefficient! It would take 1000's (10's of thousands?) of times more power to get enough energy to charge a battery, than just using a charger.

Another problem is if that much power is being transmitted into the air, would you want to be near it? Not me! Why not just stand in front of an open microwave oven.

Yet another is, the device you want charged would have to be "in range" of the transmitter in order to get the required amount of energy. The further away it is, the less power received.

Then of course there would be a little problem with it interfering with just about every other piece of electronic equipment around. Not to mention the effects it would have on sensitive electronic components. An extreme example would be the EMP (ElectroMagnetic Pulse) generated by a nuclear explosion. Wipes out just about everything electrical (electronic).

No, I say not impossible, but certainly NOT practical.

2006-09-14 03:11:11 · answer #1 · answered by justme 7 · 1 0

If solar technology was ever adapted maybe we could. Think of the sun as a giant powerstation. A solar panel is a way to collect the energy given off. This process is all wireless.

Some people create massive circuits made up of dominoes, see-saws, swings, pivots, balls, string, etc. When the wind blows, something pushes one domino over. Then all the dominoes fall over one by one. At the end a ball is set in motion. This ball pushes something and this something pushes a switch, which in turn switches on a light bulb. This light bulb powers up a calculator. The calculator gives off heat and after a while causes a slab of butter to melt underneath it. As the butter melts something else is set in motion, and so on...

Energy can be passed without the use of wires. It can be seen all around us. So I'm sure wireless power is only around the corner.

2006-09-13 11:16:58 · answer #2 · answered by Anonymous · 1 0

Well, we can - microwave power, heat energy, light (laser) - we have the technology to 'beam' all of these - but it's bad news for any one who gets in the way, which makes them weapons rather than power transmit ions - and I think that will always be the problem

2006-09-13 11:22:56 · answer #3 · answered by Avondrow 7 · 0 0

You already can...it's called induction.

Used everyday to charge milions of products such as electric toothbrushes!! (Simple AC coil arrangement)

Granted, a very close proximity to the 'transmitter' is required. I believe a computer company looked into this a few years ago - having 'powered' desks to induce currents into mice, keyboards & laptops......never got anywhere.

2006-09-13 21:46:59 · answer #4 · answered by creviazuk 6 · 0 0

You have seen a lighting storm. You would have to control power like that. Not easy, but nothing is impossible

2006-09-13 12:15:42 · answer #5 · answered by thecharleslloyd 7 · 0 0

Check out the work of N.Tesla.
The Wardenclyffe Tower Project was in the earliest part of the 20th century.
Makes you wonder what they can do now eh ?

2006-09-13 11:40:32 · answer #6 · answered by Robert Abuse 7 · 1 0

no this is impossible becuase everything needs a source the only way i can think of is solar but no one will leave there brand new ipod outside in the rain to charge lol

2006-09-13 11:19:44 · answer #7 · answered by shane g 2 · 0 1

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