## Can You Melt Obsidian and Cast a Sword?

Over the past few months I’ve been working on this video as a follow-up to user comments on a previous video on if it’s possible to cast obsidian. This proved to be a major challenge that took six attempts, broke multiple crucibles and two different kilns. But I didn’t want to stop until I finally […]

## LIGHT Part 3 – Physics Class 8th CBSE #17

We learnt about light rays and laws of reflections and mirror images in the two previous lessons on Light. This is the 3rd one on light and we’ll talk about the most important sense organ we have, our EYES. This is what an eye ball looks like from outside. if we cut it, this is […]

## 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 Weld With a MIG Welder With Pulse Control – Kevin Caron

(Text on screen): How to Weld With a MIG Welder With Pulse Control, Kevin Caron, www.kevincaron.com The Voice: Hey Kevin, what are you doing? Kevin Caron: Oh, we’ve been playing around with this Longevity MIG Weld 250P MIG welder. Got the bottle on, got the gas hooked up, got the wire in it. Looked at […]

## 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. […]

## #1 Tig Welding Tip For Amazing Welds

What is up guys? so if you dont know me, I am Kyle Voss and I like to make stuff in my small 3 car garage I am a mid level fabricator, I dont claim to be the best fabricator of welder out there but I have a tip for ya…this is the number one […]

## What Was Life Like? Episode 3: Anglo-Saxons | Meet an Anglo-Saxon Warrior

– Hi, I’m Hana – And I’m Tom We’re here today at Offa’s Dyke to meet Osmund, the Anglo Saxon Warrior We’ve got lots of questions about what life would have been like along Offa’s Dyke – Hello – Hello Hello there Who was Offa? Only the most famous king who ever lived He ran […]

## How to Choose the Right Welding Gas – Kevin Caron

(Text on screen): How to Choose the Right Welding Gas, Kevin Caron, www.kevincaron.com The Voice: Hey, Kevin. Why are you looking at us like that? Kevin Caron: Because somebody’s sleeping out there. I’ve had several questions here lately about shielding gas: How come I have to use two different bottles? You know, one for TIG […]

## How To Prevent Arc Eye / Flash Eye Burn – Gear Up With Gregg’s

Good morning and welcome back to Gear Up With Gregg’s My name’s Brady and today I will be teaching you about AGO Welding Screens. Beside me are a few portable safety screens, I know they look like a bunch of room partitions but the fabric used on them is actually far more advanced than the […]

## How to Use a Longevity MIG Welder With Pulse Control – Kevin Caron

(Text on screen): How to Use a Longevity MIG Welder With Pulse Control, Kevin Caron, www.kevincaron.com The Voice: Hey, Kevin. What are you doing? Kevin Caron: Playing with an octopus. I put my plug on this Longevity MigWeld 250P MIG welder so I can fire it up and show you guys how it runs. But […]