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.

Walking In Circles

NPR's Robert Krulwich goes for an artful stroll to contemplate our inability to walk in a straight line without a visual reference.

A Mystery: Why Can't We Walk Straight? [via BoingBoing]


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