Making a Jacob’s Ladder to Celebrate a Million Subs!

Hi. Shh. (Trying to focus.) Y-YEAH!! ((slap hands)) ONE MILLION SUBSCRIBERS! {{burst-open party horn noise}} {{plop}} Well, this calls for two things. First, I’d like to make a celebration candle, which I’ll make out of a Jacob’s ladder; And second, …I’m gonna *give away four* of these Lulzbot mini to you, my viewers and patrons, […]

How to Make a Shunt Current Sense Resistor

Hi, I want to make a *beep* I said shunt! I want to make a *shunt* current sense resistor. Basically the way we measure current is by converting it into voltage passing it through a known resistor which we call a shunt and so the current is the measured voltage divided by the known resistance. […]

Why 3 Phase AC instead of Single Phase???

Hi. In my last video, I talked about how Tesla won the AC-DC battle against Edison. But then he shoved three-phase AC down our throats instead of single-phase AC. Edison: “Oh no, he didn’t. He always asked for too much” Ah, get lost Eddy! Obviously Tesla had a good reason. What is a three-phase AC? […]

Why Use AC Instead of DC at Home??

Hi. Why do we ever use AC to power homes instead of DC? Haven’t I showed you that AC is typically more dangerous than DC? [Painful Gurgle] Can we run everything on DC? Yes! In fact pretty much every device at home has to rectify AC into DC first before it can use it so […]