STEVE WOZNIAK PIONEERED THE PERSONAL COMPUTER AND NOW DEVOTES MOST OF HIS TIME TO SCHOOLCHILDREN
CONVENTIONAL TELESCOPES REACHED THEIR PRACTICAL LIMIT IN THE 1940S. THREE DECADES LATER A GROUP OF IMAGINATIVE YOUNG ASTRONOMERS FOUND A WHOLE NEW WAY TO LOOK AT THE STARS.
THE OVERAMBITIOUS PROJECT AND DESPERATE COVER-UP THAT GAVE US (OR AT LEAST THE REST OF THE WORLD) THE METER
THE VACUUM TUBE HAS BEEN OBSOLETE FOR DECADES—AND IT’S HERE TO STAY
A CLASS OF ODD, TOUGH TUGBOATS BUILT TO MOVE RAILROAD CARS HAVE LONG OUTLIVED THE JOB THEY WERE MADE FOR
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