Etymotic, a company we've seen here at CES and in the past, has developed a pair of earplugs that protect your hearing against things like loud explosions and gunfire. The EB1 and EB15 Electronic Blast PLG Earplugs, retailing for $449 and $499, respectively, are aimed toward buyers such as hunters, musicians and soldiers -- folks who are exposed to loud noises and need protection. The analog earpieces are powered by a 312 hearing-aid battery and will last three weeks. There's no on/off switch -- just a high and low gain control. High gain is used for environments that req
