you actually see these all the time in spiral wishing wells and coin collection boxes a quick test of this with a wind turbine is here [ Ссылка ]
Don't forget to check out our other channel found here [ Ссылка ]
If you want to have a look at those special videos become a member and join by clicking this link [ Ссылка ]
Don't forget that you can buy my books and materials for your own experiments including our conductive inks at [ Ссылка ] - and for the many who have asked, yes, you can also donate to further our work, again through the shop.
