The Industrial Revolution: Crash Course European History #24

The Industrial Revolution: Crash Course European History #24

Hi I’m John Green and this is Crash Course European History. So we’re going to turn our attention now to the Industrial Revolution, one of the most significant developments in human history. Like, imagine with me that it’s 1820. I got this idea from the economist Robert Gordon by the way. You live in, say, […]

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Turning Volcanic Rock into an Obsidian Blade that’s Sharper than Steel

Turning Volcanic Rock into an Obsidian Blade that’s Sharper than Steel

This year, I’m starting a series of making a variety of weapons and roughly following their evolution through history starting from basic Metallurgy of various bladed weapons to bows and arrows and eventually working my way up to gunpowder and even a gun. Oh, Well We’ll see what happens there a key element of this […]

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Quill Pen | How to Make Everything: Book

Previously, I made a pencil and brush to write in my book. But next, I want to take a look at the origin of today’s most common writing instrument the pen. The first common form of the pen was a basic reed pen. Dating as far as 3000 BC The quill pen became popular starting […]

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Can You Melt Obsidian and Cast a Sword?

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 […]

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Cotton Textile Production Protects Environment | DuPont™ PrimaGreen® – “Handle With Care”

Cotton Textile Production Protects Environment | DuPont™ PrimaGreen® – “Handle With Care”

0:00:04:000,0:0:16:000 >>Dr Hake: Globally there is about 110 million, bales of cotton produced year after year, that’s just huge. 50 per cent of the world’s apparel is cotton. 0:00:21:000,0:00:40:000 >>Ricardo Mano: ATB is one of the biggest textile mills in Europe. We can process 35,000 kilos per day. Of course we always try to produce […]

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Tariffs and Their Effect On Georgia’s Cotton Industry

[Vienna, GA – John Holcomb, Reporting] This is Matt Coley. Matt is a cotton farmer himself and also runs Coley Gin down in Vienna. I paid him a visit to talk with him about the new tariffs on US cotton being exported to China to see what impacts he and his family’s operation has felt. […]

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