1815: English mathematician George Boole, who would help establish what is now known as Boolean logic, is born.

Boole’s breakthrough was the insight that logic, which had previously been considered a branch of philosophy, was actually

Turns out the Age of Rock neither burned out nor faded away. Proof: Plenty of companies still crank out old-school stereo components that let you cruise the highway to hell, one side at a time.

1. Human Speakers Model 81

WIRED Accurate and hearty sound: sweet highs and bass deep enough to make your subwoofer stand up a little straighter, just to get some attention. Everything—woofers, tweeters, cabinets, crossovers—is handmade by a