If you are going to do a lot of experiments that require electricity (such as electrolysis of water, and electroplating), and you have old power sources, make this apparatus (or several) and you won’t have to keep buying 9V batteries. I got this idea from https://ift.tt/2oe6bq6...By: veritas3
Continue Reading »
from Instructables: exploring - food https://ift.tt/2nuTerE
via IFTTT
Comments
Post a Comment