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.

Build Your Own Gramophone

Gakken Gramophone
Check out this $60 build-it-yourself Japanese gramophone kit from VeryCoolThings.com. Talk about a unique way to destroy your soon-to-be Ex's CD collection!

Assuming you have the manual dexterity to successfully complete the exercise, you'll be rewarded with a gramophone recorder/player that uses old CDs as recording platters. Simply place a fresh CD on the platter, speak into the paper cup, and your voice is cheerfully etched into the surface of an unsuspecting and unwanted CD.

The company also makes an Edison-style player that scratches sound onto a spinning plastic cup, much like Edison's famous wax cylinder recorders. [Thanks to Bohus Blahut for the tip!]

Gakken Emile Berliner Gramophone Turntable (VCT)

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