Playing with Electricity - Watch out! Multimeter in hand!

" We like to do things opposite way in here at ITP" that's what Dan O'Sullivan told us at the first PComp lesson. We were learning about basic electricity and circuits recent week. I couldn't be able to attend the class because I was sick but apparently I didn't miss much. It was all about using multimeter and learning how circuits work.

So to answer some question, "what is the tendency of the electrons?" for example I'd like to share a link. Here it goes;