tungsten filament

10.11.08

How to Make a Lamp out of Lime

Create a superbright spotlight just like the stagehands of old: with a blowtorch and a hunk of quicklime

By Theodore Gray Posted 08.10.2007 at 2:00 am 0 Comments

by Mike Walker: Mike Walker

Retro DIY Spotlight

Cost: $10
Time: 30 Minutes
Safe | | | | Crazy

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READ MORE ABOUT > calcium oxide, garden lime, hydrogen flame, propane torch, rare earth oxides, tungsten filament

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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READ MORE ABOUT > carbon filament, element tungsten, filament wire, glass bell jar, tungsten filament

And the Ig Nobel Goes To . . .
Coke as spermicide, placebo prices and the ovulation cycles of strippers were just some of the winning studies this year
2008 Paris Motor Show
With promises of production by early next decade, car makers focused their energies on battery power at this year's Paris Motor Show
Pedal-Powered Panzer
A tank welded from junkyard parts -- that shoots hot dogs

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