element tungsten

07.23.08

Make Your Own Lightbulb

Want to feel smarter than Edison? Build a lightbulb the modern way with some helium and an old welder
By Theodore Gray Posted 12.01.2005 at 3:00 am 0 Comments

Dept.: Gray Matter
Element.: Tungsten
Project: Making a lightbulb
Time: 30 minutes
Cost: Roughly $50
Dabbler | | | | | Master




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Melting the Unmeltable

There are many ways to melt metal, but an arc furnace can liquefy almost anything you put in it, using only electricity.
By Theodore Gray Posted 05.01.2004 at 2:00 pm 0 Comments

Dept: Gray Matter

Element: Tungsten

Project: Arc melting

Cost: $220

Time: 30 minutes

DABBLER | | | | | MASTER




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