The Naked Scientists Forum
On the Lighter Side
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27/07/2012 09:37:00 »
My theory states if you take a lighting rod and place a 2 foot section of non conductive material about 2 inches thick. Along that 2 foot section place a copper coil that is held in its own spool. When lighting strikes the rod the high intensity magnetic field that accompanies the lighting strike will produce a significant charge to be present in the copper coil. With the proper equipment the charge may be turned into a useable energy source.
tell me what you think
Neilep Level Member
Re: Lighting strikes
Reply #1 on:
28/07/2012 00:02:54 »
You could induce a secondary current in a coil. Perhaps it would be best to have a primary and secondary coil, like a transformer.
A few issues. First of all, it is rare that lightening would strike any one individual lightening rod. So, you would have to have many many lightening rods.
The problem with lightening is that is is an extraordinarily high amount of power. You could capture it directly, but there really aren't batteries or capacitors that could take the burst of energy. Potentially your device could just siphon off a few kwh of energy, but still it may be a lot of power to absorb very quickly.