Joseph Conn is a radio fan, but he hates commercials. He has his own way of dodging them. Whenever he feels a commercial coming, he turns off his set by merely clapping his hands. Another handclap starts his radio blaring again when he thinks the plug is ended. A "commercial eradicator," which Conn invented, does the trick.
Conn, a 35-year-old Cornell University graduate, patented his eradicator while working in the Navy's guided missile program. At war's end, he became a television engineer, in spare time worked on his invention in his midtown Manhattan apartment. His electronics gadget, a sound-operated relay, fits neatly...
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