Few people have heard of it, yet many consider John Blankenbaker's KENBAK-1 to be the first commercial personal computer.

Koss introduced these headphones over 40 years ago, and they remain affordable favorites to this day.

200 Years Of Electric Light

MAKE contributing editor Bill Gurstelle demonstrates how to build an arc light. It's based on the first electric light, crafted by Sir Humphry Davy in 1809.

Make a simple arc light


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