A New Weapon for Battling Cellphones in Theaters: Laser Beams – NYTimes.com
BEIJING — Audience members using cellphones bedevil performers and presenters around the world. But in China, theaters and other venues have adopted what they say is an effective — others might say disturbing — solution. Zap them with a laser beam. The approach varies, but the idea is the same. During a performance, ushers equipped…