How To Retip A Prong With The Rofin Laser Welder

We’re going to be doing a retipping. And whenever we do a retipping I prefer to have it ground down so that the angle meets the angle coming off the stone. Now first off what I’m going to do is shoot my little wire, make a nice little ball. A little more. With this ball […]

Chemistry: What is a metal? (Metallic Bonds)

Metals are shiny, malleable, ductile, and good conductors of heat and electricity. The structure of metals and the nature of metallic bonds explains some of these typical features. Metals are made up of positive ions closely packed together in crystalline solids. The positive ions are surrounded by a mobile “sea of electrons.” These valence electrons […]

Iron Chlorosis | From the Ground Up

Despite our best efforts to manage our soil correctly and add the nutrients we need, we may still notice some nutrient deficiencies in some of our plants. In particular one I’d like to talk about today is something called iron chlorosis. The symptoms of iron chlorosis are yellowing of the leaves while the veins still […]

A Sand Dollar’s Breakfast is Totally Metal | Deep Look

It’s a beachcomber’s prize. But this sand dollar is just an empty husk… a skeleton. This is what sand dollars really look like. Off the coast of California, Pacific sand dollars snuggle up together, like a big pile of purple sea cookies. They’re fuzzy… almost cuddly. But look closer… That fuzz is actually made up […]

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 […]

Controlling Trains – Network Rail engineering education (3 of 15)

[train passing] ♪ pizzicato background music ♪ (Narrator) Britain’s rail network transports 3 million passengers and 400,000 tonnes of freight a day. With hundreds of trains using it at any one time. All this traffic presents us with a safety challenge. Trains are guided by rails, so it’s impossible for them to swerve or pull […]

HVAC: Sheet Metal Fabrication – Big Industry, Big Demand

My name is Corey Laviolette. I’m taking the HVAC Sheet Metal Fabrication course here at NBCC. I’ve been always good with working with my hands building different things and putting stuff together and tearing things apart so it was more of the hands-on side of it that made me really interested in taking this course […]

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 […]

Sheriff’s office to send inmates to college

THE THE CRASH THE CRASH IS THE CRASH IS UNDER THE CRASH IS UNDER INVESTIGATION. THE CRASH IS UNDER INVESTIGATION. [email protected] INVESTIGATION. [email protected] INVESTIGATION. [email protected] SHE INVESTIGATION. [email protected] SHE WAS INVESTIGATION. [email protected] SHE WAS 39. SHE WAS 39. SHE WAS 39. >>>SHE WAS 39. >>>DEKALB SHE WAS 39. >>>DEKALB COUNTY SHE WAS 39. >>>DEKALB COUNTY […]

Epic Jobs 2018 – Video #2

(upbeat music) – The main reason of this event is showcase all the careers available in the trades and apprenticeships. We have businesses from all over the municipalities within the Grand Erie region, Haldimand, Norfolk, Brant County, and the city of Brantford. – It’s been a very good opportunity to explain to the students what […]