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? […]

4 Revolutionary Riddles

At the Palace of discovery in Paris, they have this huge turntable where you can sit, and perform experiments. Like in the middle of the turntable you can put some water and then add liquid nitrogen, and this creates a kind of fog these tiny water droplets that spread out from the middle, but because […]

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 […]

High voltage “Air threads”

For maximum fun we want to combine… high-voltage, water, and dry ice. This is a little negative ion generator. Puts out about seven thousand volts, hooks right to AC. Couple of different places sell it. “Electronics Goldmine” is one of them. The ground goes to the power line, and that’s the negative high-voltage. And then […]

How Lawn Mower Blades Cut Grass (at 50,000 FRAMES PER SECOND) – Smarter Every Day 196

Hey its me Destin, Welcome back to Smarter Every Day If you’re like me, you’ve spent a ton of your life on a lawn mower and you’ve been thinking about how the blade interacts with the blades of grass. So today on Smarter Every Day we’re going to look at the physics of what that […]

Lec 8 – Physics of Welding Arc

hello i welcome you all in this presentation related with the subject joining technologies for the metals and this presentation is mainly based on the shielded metal arc welding process and the basic fundamental principles of the arc welding in general so we will try to first of all understand that how the heat is […]

Welding In Ultra Slow Motion at 60,000 FPS – Flux Cored Arc Welding 4K [ Too Slow – Macro ]

Welcome back now. Now I don’t normally film intros for quick clips. But this is an exception. Because I’m going to be filming. The flux cored arc welding process. in Ultra slow motion and 4K slow motion At 60,000 frames per second. And I want to give you an idea what you’re looking at. This […]

Seeing the Invisible: SLOW MOTION Schlieren Imaging

If there were a portal through which you could see all of the invisible air currents, temperature gradients and differences in pressure and composition of air, then this is what it would look like to strike a match. This is helium being squeezed out of a balloon. You could see the warm air rising off […]