![[pop-cans motor with ion generator 6in away]](http://amasci.com/emotor/scanm1.gif)
|
|
This small motor is spinning like mad from the couple of microamps coming
from a negative ion generator. No wires!
(actually one wire: the ion
generator has a 1/2in needle attached to the black disk and pointing
towards the nearest pop can.)
[1989 Museum of Science, Boston]
.