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# Rain Harvesting

Create electrostatic/magnetic funnel to collect rain water
 (-2) [vote for, against]

Rain drops have electric charge. By creating a electrostatic funnel we can collect this water. Want verification....in terms of what is charge on a raindrop what - type of electrostatic or magnetic funnel need be created.

The funnel can be created by placing a group on charge plates in a circle over a large area - several square kilometers and also probably elevated to some height say 300 mts.

Alternatively, you could create a magentic field which move the charged particles of water to the center. This could be achieved by electromagnets arranged in suitable fashion.

 — sbothra, Aug 30 2004

How do you create this funnel?
 — Worldgineer, Aug 30 2004

 (mfd removed)

Welcome to the 'bakery, [sbothra]. Please take a moment to read the help file. The link is on the left, under meta. Unless you can tell us how to create this funnel, you should delete this idea.
 — Worldgineer, Aug 30 2004

[sb] How would "charge plates" be much different than a normal funnel, other than having to carry an immensely high charge? My next challange to you: provide us with some numbers as to how much charge you'll need in your electromagnet array.
 — Worldgineer, Aug 30 2004

A normal funnel would occupy too much space and would impact land usage under the funnel. If you want to build a large funnel - over a large area - this would not be desirable.
 — sbothra, Aug 30 2004

But your charge plates would need to cover the same area, right?
 — Worldgineer, Aug 30 2004

No. A funnel uses a surface to direct water. A electric field is not a surface and can be created by a 4 - 20 plates arranged in a pattern.
 — sbothra, Aug 30 2004

I can't use 21? Maybe you need a drawing.
 — Worldgineer, Aug 30 2004

would the charge plates take less power to energize and repel-direct the water than could be harvested from the kinetic energy of the water? several square kilometers? wouldn't any old plates that big do the job of collecting the water?
 — xx, Aug 30 2004

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