Does induction weaken permanent magnets? Lets imagine a stationary permanent magnet and a stationary coil, lets imagine that through a procedure, doesn't really matter how, we direct the magnetic field of a pemanent magnet in a way to make it reach the stationary coil in a pulsatile way, thus...
Hi,
I'm looking for a 2-3v source of constant energy
Please tell me if there's a way to harvest it somehow using new energy harvesting technologies (except solar)
If not could you please advice me rechargeable batteries that would last for few years.
