** What’s the buzz? Teens can’t stand it](http://news.com.com/Whats+the+buzz+Teens+cant+stand+it/2100-11395_3-5974937.html?part=rss&tag=5974937&subj=news) **
Now 39, Stapleton has taken the lesson he learned that day–that children can hear sounds at higher frequencies than adults can–to fashion a novel device that he hopes will provide a solution to the eternal problem of obstreperous teenagers who hang around outside stores and cause trouble.