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 […]

Space is dead: A challenge to the standard model of quantum mechanics | Lee Smolin

So let’s first define what we mean by being a realist. What I mean when I say I’m a realist is that I believe that there is an exactly understandable way the world is, which is independent of our intervention, independent of our existence, our knowledge. It’s possible for everything that happens in nature, to […]

Concrete Pump Hose Whips, Killing Worker

I’m Aaron Feldman, Investigations Officer with WorkSafeBC. Inside the pipeline of a concrete pumper, air can get trapped and compress to hundreds of pounds per square inch of pressure. The release of this air can cause the hose to suddenly whip. Here, that cost one worker his life. Two workers had just completed a porch […]

Most Powerful Attack Submarines In The World

The stealthy and deadly attack submarine- every seaman’s worst nightmare since World War I. These are the weapons navies fear the most, and despite investing billions of dollars into locating, tracking, and targeting these underwater assassins, the navies of the world are still largely at the mercy of these silent killers. Hello and welcome to […]

Day at Work: Prototype Fabricator

My name’s Jeff Tiedeken, uh, from New Ulm, Minnesota, age twenty-four and I am a prototyper, welder, fabricator. Right now, um, have my own company – Monkey Likes Shiny and then I also a work for a company called CVM, a short for Creative Viewpoint Machinery. They do projects for the government, for Clorox, all […]

How to make a mini Hydrogen Generator / TUTORIAL

您需要準備這些東西 2個同尺寸的冰棒棍 在棍面上畫上鑽孔點 再叧一根棍面上重做一次 再穩穩的將兩根冰棍壓緊 鑽孔 鑽孔後就像這樣 每相隔一個孔鎖上一個螺絲並穿過兩冰棍 再換面重做一次 再螺面上焊上錫點(可視螺絲材質選用合適的錫) 換面重做一次 然後 再螺面錫點上焊上電線 現在 可以將導電模組放入玻璃瓶中 瓶蓋上要鑽一個合適孔徑的洞 拿出西藥房買的滴管組 切掉上端 將電線穿過瓶蓋開孔 再將滴管組的觀察室塞進孔中,盡量塞緊 再用熱融膠封口,確保氣體不外洩 鎖緊瓶蓋 再依據實際需求剪截滴管 在集氣瓶鑽2個合適大小的孔 將滴管末端由孔1塞入瓶中 一定要將管子穿到瓶底 再將裁剩的那截滴管由孔2穿入瓶內.不必穿太深 再以熱融膠封口 這時 可以倒入清水了 蓋上瓶蓋 取一些鹽加水攪均 再打開瓶1 (導電模組) 倒入剛才自製的鹽水(導電液) 要淹滿整個導電模組 鎖緊瓶蓋 現在可以將電線接上電源供應器了 調整輸出電壓為 2.1 伏特 現在 您會看到瓶內開始有汽泡產生 (泡泡測試)

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. […]

Welding School Erie PA – Erie Institute of Technology

Hi I’m Paul Fitzgerald, Director at Erie Institute of Technology. EIT offers career training programs in electronics, computers, and manufacturing. Today we’re going to talk about the Welding Technology program. Lets take a look at welding lab. The Welding Technology program at EIT is a 15 month program and utilizes Lincoln Electric welding equipment. The […]

How to Use the Jeweller’s Micro-Flame Butane Torch

Go to Beadaholique.com for all of your beading supplies needs! Hi. This is Julie with Beadaholique.com. Today we’re going to do a product demo of the Mirco-Flame Torch. This is great for using in various jewelry projects including resin making when you want to get the bubbles out, soldering, jewelry casting wax working, metal sculpting […]