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Make: Technology on Your Time Volume 30
book

Make: Technology on Your Time Volume 30

by Mark Frauenfelder
April 2012
Intermediate to advanced content levelIntermediate to advanced
176 pages
7h 53m
English
Make: Community
Content preview from Make: Technology on Your Time Volume 30
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DANGER!

By Gever Tulley with Julie Spiegler

MELT GLASS

Harness the superheat of fire.

Firewood typically burns at around 900°F but bottle glass doesn’t melt until almost 1,400°F, so we must force the fire to burn hotter by feeding it extra oxygen and constraining the heat to a small area.

1. Prepare your fire area. It must be clear of all combustible material so that you can let your fire burn itself out naturally.

2. Build an oven. Place 2 large logs side by side with a gap between them just large enough to lay the bottle in. Align the logs so that the wind blows straight through the gap. This is going to be the combustion zone.

3. Ignite. The ...

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Make: Technology on Your Time Volume 31

Make: Technology on Your Time Volume 31

Mark Frauenfelder

Publisher Resources

ISBN: 9781680456004Errata Page