Science Technology

In this brief video, MAKE contributing editor Bill Gurstelle demonstrates a simple arc light (a precursor to the incandescent bulb) using a length of carbon rod, a knife switch, some ceramic insulators, Nichrome wire, and an 18-volt power tool battery.

How to Make an Arc Light


Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.

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